Use var in tests

302 files changed, 356 insertions, 356 deletions

diff --git a/src/test/java/org/traccar/protocol/AdmFrameDecoderTest.java b/src/test/java/org/traccar/protocol/AdmFrameDecoderTest.java
index e7297cdbd..1682ca56d 100644
--- a/src/test/java/org/traccar/protocol/AdmFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AdmFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class AdmFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AdmFrameDecoder decoder = new AdmFrameDecoder();
+        var decoder = new AdmFrameDecoder();
 
         verifyFrame(
                 binary("38363931353330343235323337383400003728e000001402441d5f42c3711642930d000000c7000a461954f25fd82ed508000000000000000044000000010000000000140000"),
diff --git a/src/test/java/org/traccar/protocol/AdmProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AdmProtocolDecoderTest.java
index bf8a81dc1..7c8769925 100644
--- a/src/test/java/org/traccar/protocol/AdmProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AdmProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AdmProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AdmProtocolDecoder decoder = new AdmProtocolDecoder(null);
+        var decoder = new AdmProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "38363931353330343235323337383400003728e000001402441d5f42c3711642930d000000c7000a461954f25fd82ed508000000000000000044000000010000000000140000"));
diff --git a/src/test/java/org/traccar/protocol/AdmProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/AdmProtocolEncoderTest.java
index fd6214c57..89ddef849 100644
--- a/src/test/java/org/traccar/protocol/AdmProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/AdmProtocolEncoderTest.java
@@ -27,7 +27,7 @@ public class AdmProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        AdmProtocolEncoder encoder = new AdmProtocolEncoder(null);
+        var encoder = new AdmProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/AisProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AisProtocolDecoderTest.java
index 9cb9f695a..f869ab8f3 100644
--- a/src/test/java/org/traccar/protocol/AisProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AisProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AisProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AisProtocolDecoder decoder = new AisProtocolDecoder(null);
+        var decoder = new AisProtocolDecoder(null);
 
         verifyPositions(decoder, text(
                 "!AIVDM,2,1,8,A,53UlSb01l>Ei=H4KF218PTpv222222222222221?8h=766gB0<Ck11DTp888,0*14s:MTb827ebc7686b,c:1481688227737*4d\\\r\n" +
diff --git a/src/test/java/org/traccar/protocol/AlematicsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AlematicsProtocolDecoderTest.java
index 47ea8137e..8bd457a97 100644
--- a/src/test/java/org/traccar/protocol/AlematicsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AlematicsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AlematicsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AlematicsProtocolDecoder decoder = new AlematicsProtocolDecoder(null);
+        var decoder = new AlematicsProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$T,2,64,866050035975497,20180726103446,20180726103514,23.033305,72.558032,0,0,41,5.4,4,0,0,0.000,12.960,0,"));
diff --git a/src/test/java/org/traccar/protocol/AnytrekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AnytrekProtocolDecoderTest.java
index e3aa0550b..b6f95513c 100644
--- a/src/test/java/org/traccar/protocol/AnytrekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AnytrekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AnytrekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AnytrekProtocolDecoder decoder = new AnytrekProtocolDecoder(null);
+        var decoder = new AnytrekProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "78783500300086428703204121160085015111050C0A0D20C6FD24A102FF8EAC0C01001404000000FFFFFFFF131702210000000000000000000D0A"));
diff --git a/src/test/java/org/traccar/protocol/ApelProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ApelProtocolDecoderTest.java
index c32abe6a8..b922d3ef1 100644
--- a/src/test/java/org/traccar/protocol/ApelProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ApelProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ApelProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ApelProtocolDecoder decoder = new ApelProtocolDecoder(null);
+        var decoder = new ApelProtocolDecoder(null);
 
         /*byte[] buf1 = {0x40,0x4E,0x54,0x43,0x01,0x00,0x00,0x00,0x7B,0x00,0x00,0x00,0x13,0x00,0x44,0x34,0x2A,0x3E,0x53,0x3A,0x38,0x36,0x31,0x37,0x38,0x35,0x30,0x30,0x35,0x32,0x30,0x35,0x30,0x37,0x39};
         verifyNull(decoder, text( ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, buf1)));*/
diff --git a/src/test/java/org/traccar/protocol/AplicomFrameDecoderTest.java b/src/test/java/org/traccar/protocol/AplicomFrameDecoderTest.java
index 581f7696f..96a219d2a 100644
--- a/src/test/java/org/traccar/protocol/AplicomFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AplicomFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class AplicomFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AplicomFrameDecoder decoder = new AplicomFrameDecoder();
+        var decoder = new AplicomFrameDecoder();
 
         assertEquals(
                 binary("44C20146B710C158DA009500B09F7700C054CA0EA454CA0EA403BE0BF6015D706B070000142A600000000000000002434946010801000754CA0EA4000000000000008400000000000000000000000000000000300000FE00FE0000000000000000000000000000000000000000000000000000000000000000000040502035000000000000020D0000030D0000040C0000040D0000050C0000050D0000058C0000060C"),
diff --git a/src/test/java/org/traccar/protocol/AplicomProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AplicomProtocolDecoderTest.java
index 0b4180bd0..5abe9550d 100644
--- a/src/test/java/org/traccar/protocol/AplicomProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AplicomProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AplicomProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AplicomProtocolDecoder decoder = new AplicomProtocolDecoder(null);
+        var decoder = new AplicomProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "434946010A0100075253F85F0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000FEEA0000FEE90000F0030000F0040000FEF10000FEF20000FEF50000FEFC0000FEC10000FEE500"));
diff --git a/src/test/java/org/traccar/protocol/AppelloProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AppelloProtocolDecoderTest.java
index ac0858e82..da4d82938 100644
--- a/src/test/java/org/traccar/protocol/AppelloProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AppelloProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AppelloProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AppelloProtocolDecoder decoder = new AppelloProtocolDecoder(null);
+        var decoder = new AppelloProtocolDecoder(null);
 
         verifyAttributes(decoder, text(
                 "FOLLOWIT,867273024233699,UTCTIME,0.000000,0.000000,0,0,0,0,L,262:3:c703:4bf8:64:255|262:3:c703:9a18:45|262:3:c703:e838:33|262:3:c703:7190:20|262:3:c704:d896:17|,02,44,,31,,4.20,0,0,86/44/24,,,,26,02264DFF6E16:69|4C09D408554E:79|4C09D408554F:79|E0885DE705E5:81|E2885DE705E7:81|246511122CCC:83|,34925"));
diff --git a/src/test/java/org/traccar/protocol/AppletProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AppletProtocolDecoderTest.java
index ad13c60f6..11c9c65d8 100644
--- a/src/test/java/org/traccar/protocol/AppletProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AppletProtocolDecoderTest.java
@@ -10,7 +10,7 @@ public class AppletProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AppletProtocolDecoder decoder = new AppletProtocolDecoder(null);
+        var decoder = new AppletProtocolDecoder(null);
 
         DefaultHttpHeaders headers = new DefaultHttpHeaders();
 
diff --git a/src/test/java/org/traccar/protocol/AquilaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AquilaProtocolDecoderTest.java
index 489024ed5..57d793c71 100644
--- a/src/test/java/org/traccar/protocol/AquilaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AquilaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AquilaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeA() throws Exception {
 
-        AquilaProtocolDecoder decoder = new AquilaProtocolDecoder(null);
+        var decoder = new AquilaProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$$CLIENT_1ZF,170215089,20,18.462809,73.824188,170613182744,A,01,123456,*37"));
diff --git a/src/test/java/org/traccar/protocol/Ardi01ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Ardi01ProtocolDecoderTest.java
index 8498bb7f9..653e4346d 100644
--- a/src/test/java/org/traccar/protocol/Ardi01ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Ardi01ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Ardi01ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Ardi01ProtocolDecoder decoder = new Ardi01ProtocolDecoder(null);
+        var decoder = new Ardi01ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "013227003054776,20141010052719,24.4736042,56.8445807,110,289,40,7,5,78,-1"),
diff --git a/src/test/java/org/traccar/protocol/ArknavProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ArknavProtocolDecoderTest.java
index 18901d9a6..b95963f40 100644
--- a/src/test/java/org/traccar/protocol/ArknavProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ArknavProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ArknavProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ArknavProtocolDecoder decoder = new ArknavProtocolDecoder(null);
+        var decoder = new ArknavProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "358266016278447,05*827,000,L001,V,4821.6584,N,01053.8650,E,000.0,000.0,00.0,08:46:04 17-03-16,9.5A,D7,0,79,0,,,,"),
diff --git a/src/test/java/org/traccar/protocol/ArknavX8ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ArknavX8ProtocolDecoderTest.java
index dfe1435d1..c2d78dca6 100644
--- a/src/test/java/org/traccar/protocol/ArknavX8ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ArknavX8ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ArknavX8ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ArknavX8ProtocolDecoder decoder = new ArknavX8ProtocolDecoder(null);
+        var decoder = new ArknavX8ProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "351856045213782,241111"));
diff --git a/src/test/java/org/traccar/protocol/ArnaviFrameDecoderTest.java b/src/test/java/org/traccar/protocol/ArnaviFrameDecoderTest.java
index 90eb20296..3f495731a 100644
--- a/src/test/java/org/traccar/protocol/ArnaviFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ArnaviFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class ArnaviFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeValidPackets() throws Exception {
 
-        ArnaviFrameDecoder decoder = new ArnaviFrameDecoder();
+        var decoder = new ArnaviFrameDecoder();
 
         verifyFrame(
                 binary("2441562c563344492c38353136342c3231342c2d312c31392c30303030344634462c30303030303935452c30433030303030322c3836333037313031333034313631382c38393939373031353630333832353236363232462c2a3039"),
diff --git a/src/test/java/org/traccar/protocol/ArnaviTextProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ArnaviTextProtocolDecoderTest.java
index 79179d4f3..9e9047be4 100644
--- a/src/test/java/org/traccar/protocol/ArnaviTextProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ArnaviTextProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ArnaviTextProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ArnaviTextProtocolDecoder decoder = new ArnaviTextProtocolDecoder(null);
+        var decoder = new ArnaviTextProtocolDecoder(null);
 
         verifyPosition(decoder, buffer(
                 "$AV,V4,999999,12487,2277,203,65534,0,0,193,65535,65535,65535,65535,1,13,80.0,56.1,200741,5950.6773N,03029.1043E,300.0,360.0,121012,65535,65535,65535,SF*6E"));
diff --git a/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java
index 453ec9da5..3376fa3f0 100644
--- a/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AstraProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AstraProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AstraProtocolDecoder decoder = new AstraProtocolDecoder(null);
+        var decoder = new AstraProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "4b00700529c0c265976b8202cba9ff00676d864554a9c30000000020073401006436000300030008000000000000a0000100001920c43d00009600428302cba9ff00676d864554aa3e000000002007240100643b000300020008000000000000b0000100001920c43d00009600420f0e"));
diff --git a/src/test/java/org/traccar/protocol/At2000FrameDecoderTest.java b/src/test/java/org/traccar/protocol/At2000FrameDecoderTest.java
index c5829d588..0782c2d34 100644
--- a/src/test/java/org/traccar/protocol/At2000FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/At2000FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class At2000FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        At2000FrameDecoder decoder = new At2000FrameDecoder();
+        var decoder = new At2000FrameDecoder();
 
         verifyFrame(
                 binary("01012f00000000000000000000000000003335363137333036343430373439320fad981997ae8e031fe10c0ea7641903ca32c0331df467233d2a9cd886fbeef8"),
diff --git a/src/test/java/org/traccar/protocol/AtrackFrameDecoderTest.java b/src/test/java/org/traccar/protocol/AtrackFrameDecoderTest.java
index bb86a9629..77e90ca53 100644
--- a/src/test/java/org/traccar/protocol/AtrackFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AtrackFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class AtrackFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AtrackFrameDecoder decoder = new AtrackFrameDecoder();
+        var decoder = new AtrackFrameDecoder();
 
         verifyFrame(
                 binary("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"),
diff --git a/src/test/java/org/traccar/protocol/AtrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AtrackProtocolDecoderTest.java
index dc3f532b6..4a66dbf58 100644
--- a/src/test/java/org/traccar/protocol/AtrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AtrackProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AtrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AtrackProtocolDecoder decoder = new AtrackProtocolDecoder(null);
+        var decoder = new AtrackProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "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"));
@@ -111,7 +111,7 @@ public class AtrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeCustom() throws Exception {
 
-        AtrackProtocolDecoder decoder = new AtrackProtocolDecoder(null);
+        var decoder = new AtrackProtocolDecoder(null);
 
         decoder.setCustom(true);
 
diff --git a/src/test/java/org/traccar/protocol/AuroProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AuroProtocolDecoderTest.java
index aeea48967..fbe3ad0a3 100644
--- a/src/test/java/org/traccar/protocol/AuroProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AuroProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AuroProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AuroProtocolDecoder decoder = new AuroProtocolDecoder(null);
+        var decoder = new AuroProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "M0028T0000816398975I357325031465123E00001W*****110620150437000068DA#RD01DA240000000001+100408425+013756121100620152137231112240330004400"));
diff --git a/src/test/java/org/traccar/protocol/AustinNbProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AustinNbProtocolDecoderTest.java
index fa8f3a071..0be22b333 100644
--- a/src/test/java/org/traccar/protocol/AustinNbProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AustinNbProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AustinNbProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AustinNbProtocolDecoder decoder = new AustinNbProtocolDecoder(null);
+        var decoder = new AustinNbProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "48666666666;2017-01-01 16:31:01;52,1133308410645;21,1000003814697;310;120;2292;1;ORANGE"));
diff --git a/src/test/java/org/traccar/protocol/AutoFonProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AutoFonProtocolDecoderTest.java
index 9e17b437f..3e64defdb 100644
--- a/src/test/java/org/traccar/protocol/AutoFonProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AutoFonProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class AutoFonProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AutoFonProtocolDecoder decoder = new AutoFonProtocolDecoder(null);
+        var decoder = new AutoFonProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "10556103592310314825728F"));
diff --git a/src/test/java/org/traccar/protocol/AutoGradeProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AutoGradeProtocolDecoderTest.java
index f71fcd8eb..697ac8a06 100644
--- a/src/test/java/org/traccar/protocol/AutoGradeProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AutoGradeProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AutoGradeProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AutoGradeProtocolDecoder decoder = new AutoGradeProtocolDecoder(null);
+        var decoder = new AutoGradeProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "(000000001637868324027912356171116A2250.7611N07556.9425E000.9024427197.36\u008eA0000B0000C0000D0000E0000K0000L0000M0000N0000O0000)"));
diff --git a/src/test/java/org/traccar/protocol/AutoTrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AutoTrackProtocolDecoderTest.java
index 5daafcc40..64a7459ce 100644
--- a/src/test/java/org/traccar/protocol/AutoTrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AutoTrackProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class AutoTrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AutoTrackProtocolDecoder decoder = new AutoTrackProtocolDecoder(null);
+        var decoder = new AutoTrackProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "f1f1f1f1330c00201007090006de7200000000daa3"));
diff --git a/src/test/java/org/traccar/protocol/AvemaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/AvemaProtocolDecoderTest.java
index 71bc83b4f..6138711aa 100644
--- a/src/test/java/org/traccar/protocol/AvemaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/AvemaProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class AvemaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        AvemaProtocolDecoder decoder = new AvemaProtocolDecoder(null);
+        var decoder = new AvemaProtocolDecoder(null);
 
         verifyAttribute(decoder, text(
                 "1000000000,20190527072358,121.646024,25.062135,0,0,0,0,10,0.0,1,0.02,12.32,0,0,15,2,466-5,10275,0,0.01,65EB812A000104E0,8000001234,NormanChang"),
diff --git a/src/test/java/org/traccar/protocol/Avl301ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Avl301ProtocolDecoderTest.java
index 0972e3fd4..fb1984d87 100644
--- a/src/test/java/org/traccar/protocol/Avl301ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Avl301ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Avl301ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Avl301ProtocolDecoder decoder = new Avl301ProtocolDecoder(null);
+        var decoder = new Avl301ProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "244c0f086058500087335500010d0a"));
diff --git a/src/test/java/org/traccar/protocol/BceProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/BceProtocolDecoderTest.java
index 862c69d31..544d49967 100644
--- a/src/test/java/org/traccar/protocol/BceProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/BceProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class BceProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        BceProtocolDecoder decoder = new BceProtocolDecoder(null);
+        var decoder = new BceProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "3ab90b71bc1503000300c10bff11"));
diff --git a/src/test/java/org/traccar/protocol/BceProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/BceProtocolEncoderTest.java
index be5877193..c72012e5a 100644
--- a/src/test/java/org/traccar/protocol/BceProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/BceProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class BceProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        BceProtocolEncoder encoder = new BceProtocolEncoder(null);
+        var encoder = new BceProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/BlackKiteProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/BlackKiteProtocolDecoderTest.java
index 9a24ece1f..3fdac8479 100644
--- a/src/test/java/org/traccar/protocol/BlackKiteProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/BlackKiteProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class BlackKiteProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        BlackKiteProtocolDecoder decoder = new BlackKiteProtocolDecoder(null);
+        var decoder = new BlackKiteProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "01150003313131313131313131313131313131209836055605BA"));
diff --git a/src/test/java/org/traccar/protocol/BlueProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/BlueProtocolDecoderTest.java
index 4aa50e56b..4e74adf38 100644
--- a/src/test/java/org/traccar/protocol/BlueProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/BlueProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class BlueProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        BlueProtocolDecoder decoder = new BlueProtocolDecoder(null);
+        var decoder = new BlueProtocolDecoder(null);
 
         verifyAttribute(decoder, binary(
                 "AA0056860080E3E79E0C811F80000114020207170520011F00407F8005EE1938113B270000000000000000140202071705005AC7A621121F0002000100B7000080110000000000001A3A0000000001F400000000000078"),
diff --git a/src/test/java/org/traccar/protocol/BoxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/BoxProtocolDecoderTest.java
index f7197a05d..5b639e12b 100644
--- a/src/test/java/org/traccar/protocol/BoxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/BoxProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class BoxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        BoxProtocolDecoder decoder = new BoxProtocolDecoder(null);
+        var decoder = new BoxProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "H,BT,358281002435893,081028142432,F5813D19,6D6E6DC2"));
diff --git a/src/test/java/org/traccar/protocol/C2stekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/C2stekProtocolDecoderTest.java
index 9f841fb8c..d6831c1cf 100644
--- a/src/test/java/org/traccar/protocol/C2stekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/C2stekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class C2stekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        C2stekProtocolDecoder decoder = new C2stekProtocolDecoder(null);
+        var decoder = new C2stekProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "PA$863083038046613$D#181123#162850#1#+37.92684#+23.75933#0.62#200.1#0.0#3768#000#9#00#sz-w1001#B0907839$AP"));
diff --git a/src/test/java/org/traccar/protocol/CalAmpProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CalAmpProtocolDecoderTest.java
index 8be693ee6..79d27e2ab 100644
--- a/src/test/java/org/traccar/protocol/CalAmpProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CalAmpProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CalAmpProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CalAmpProtocolDecoder decoder = new CalAmpProtocolDecoder(null);
+        var decoder = new CalAmpProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "830547643586340101010400105f9c39ba5f9c302eeb36d5bddf39df700000000000000000003400040321ff9f4f0087080200001c30783330304544383946333335303139303030303030343637450d0a"));
diff --git a/src/test/java/org/traccar/protocol/CarTrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CarTrackProtocolDecoderTest.java
index c8db07ee3..dd96c2585 100644
--- a/src/test/java/org/traccar/protocol/CarTrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CarTrackProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CarTrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CarTrackProtocolDecoder decoder = new CarTrackProtocolDecoder(null);
+        var decoder = new CarTrackProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "$$020040????????&A0000"));
diff --git a/src/test/java/org/traccar/protocol/CarscopProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CarscopProtocolDecoderTest.java
index 412901d90..b1fe69bac 100644
--- a/src/test/java/org/traccar/protocol/CarscopProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CarscopProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CarscopProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CarscopProtocolDecoder decoder = new CarscopProtocolDecoder(null);
+        var decoder = new CarscopProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "*170821223045UB00HSO"));
diff --git a/src/test/java/org/traccar/protocol/CastelProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CastelProtocolDecoderTest.java
index 3c35398a6..f90fbe5ba 100644
--- a/src/test/java/org/traccar/protocol/CastelProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CastelProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class CastelProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CastelProtocolDecoder decoder = new CastelProtocolDecoder(null);
+        var decoder = new CastelProtocolDecoder(null);
 
         verifyAttribute(decoder, binary(
                 "40403a00043231334744503230313830323133343300000000a002000001000001012011004d414c43333831434d4b4d353637313438c8fc0d0a"),
diff --git a/src/test/java/org/traccar/protocol/CastelProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/CastelProtocolEncoderTest.java
index 1864d9e84..cdf6a7c3b 100644
--- a/src/test/java/org/traccar/protocol/CastelProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/CastelProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class CastelProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        CastelProtocolEncoder encoder = new CastelProtocolEncoder(null);
+        var encoder = new CastelProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/CautelaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CautelaProtocolDecoderTest.java
index 28236c87f..fe8586068 100644
--- a/src/test/java/org/traccar/protocol/CautelaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CautelaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CautelaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CautelaProtocolDecoder decoder = new CautelaProtocolDecoder(null);
+        var decoder = new CautelaProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "20,010907000000,14,02,18,16.816667,96.166667,1325,S,*2E"));
diff --git a/src/test/java/org/traccar/protocol/CellocatorFrameDecoderTest.java b/src/test/java/org/traccar/protocol/CellocatorFrameDecoderTest.java
index 914166a58..04a0f74d5 100644
--- a/src/test/java/org/traccar/protocol/CellocatorFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CellocatorFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class CellocatorFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CellocatorFrameDecoder decoder = new CellocatorFrameDecoder();
+        var decoder = new CellocatorFrameDecoder();
 
         verifyFrame(
                 binary("4D4347500BA9880B00C80A7E003800000000000806000001210A14000613000000000D4457A5F71442AC02E80300000100040707000011171408060E1C08000100000200020000FD"),
diff --git a/src/test/java/org/traccar/protocol/CellocatorProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CellocatorProtocolDecoderTest.java
index dcc4b267d..3ae5350f2 100644
--- a/src/test/java/org/traccar/protocol/CellocatorProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CellocatorProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CellocatorProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CellocatorProtocolDecoder decoder = new CellocatorProtocolDecoder(null);
+        var decoder = new CellocatorProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "4D43475000856308000004B2DE1F04009E00200100000000696CF7AB002F1A00000000000000325C000402069BFDE70857E22502F41C000036000000DF0B0932100B09DC0719"));
diff --git a/src/test/java/org/traccar/protocol/CellocatorProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/CellocatorProtocolEncoderTest.java
index 616640116..9d42bd65d 100644
--- a/src/test/java/org/traccar/protocol/CellocatorProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/CellocatorProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class CellocatorProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        CellocatorProtocolEncoder encoder = new CellocatorProtocolEncoder(null);
+        var encoder = new CellocatorProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/CguardProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CguardProtocolDecoderTest.java
index a386b6b47..a7ed0e754 100644
--- a/src/test/java/org/traccar/protocol/CguardProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CguardProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CguardProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CguardProtocolDecoder decoder = new CguardProtocolDecoder(null);
+        var decoder = new CguardProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "IDRO:354868050655283"));
diff --git a/src/test/java/org/traccar/protocol/CityeasyProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CityeasyProtocolDecoderTest.java
index 146e13ae8..07d6368ab 100644
--- a/src/test/java/org/traccar/protocol/CityeasyProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CityeasyProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class CityeasyProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CityeasyProtocolDecoder decoder = new CityeasyProtocolDecoder(null);
+        var decoder = new CityeasyProtocolDecoder(null);
 
         verifyNotNull(decoder, binary(
                 "545400853575570249020100033b3430342c34352c31303638312c31313632312c33352c31303638312c31313632322c32332c31303638312c32383938332c32332c31303638312c31313632332c32312c31303638312c32333338312c31372c31303638312c32323538332c31372c31303638312c32363434312c31330000000d352e0d0a"));
diff --git a/src/test/java/org/traccar/protocol/CityeasyProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/CityeasyProtocolEncoderTest.java
index f0eede4bf..2722f6474 100644
--- a/src/test/java/org/traccar/protocol/CityeasyProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/CityeasyProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class CityeasyProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        CityeasyProtocolEncoder encoder = new CityeasyProtocolEncoder(null);
+        var encoder = new CityeasyProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/ContinentalProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ContinentalProtocolDecoderTest.java
index 83722ef97..2924d2c4d 100644
--- a/src/test/java/org/traccar/protocol/ContinentalProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ContinentalProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ContinentalProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ContinentalProtocolDecoder decoder = new ContinentalProtocolDecoder(null);
+        var decoder = new ContinentalProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "5356003216001eb48505025b4001e90f7f18ce0f00522200400001015b4001e9000e820100000c24000100014e0400736a7a"),
diff --git a/src/test/java/org/traccar/protocol/CradlepointProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/CradlepointProtocolDecoderTest.java
index 7ffad8015..1e3023b39 100644
--- a/src/test/java/org/traccar/protocol/CradlepointProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/CradlepointProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class CradlepointProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        CradlepointProtocolDecoder decoder = new CradlepointProtocolDecoder(null);
+        var decoder = new CradlepointProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "356526070063940,0,4337.19009,N,11612.34705,W,0.0,277.2,AT&T,,,-79,,-14.0,"));
diff --git a/src/test/java/org/traccar/protocol/DingtekFrameDecoderTest.java b/src/test/java/org/traccar/protocol/DingtekFrameDecoderTest.java
index 3bc2715db..6236410b3 100644
--- a/src/test/java/org/traccar/protocol/DingtekFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DingtekFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class DingtekFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DingtekFrameDecoder decoder = new DingtekFrameDecoder();
+        var decoder = new DingtekFrameDecoder();
 
         verifyFrame(
                 binary("383030303031303131453032383830303138303030303030303030313545303038303545433430303031313836383832323034303130343433303831"),
diff --git a/src/test/java/org/traccar/protocol/DingtekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DingtekProtocolDecoderTest.java
index 3a7567106..8b3d07c22 100644
--- a/src/test/java/org/traccar/protocol/DingtekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DingtekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class DingtekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DingtekProtocolDecoder decoder = new DingtekProtocolDecoder(null);
+        var decoder = new DingtekProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "800001011e0692001a00000000016e008027c40000186962703655111781"));
diff --git a/src/test/java/org/traccar/protocol/DishaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DishaProtocolDecoderTest.java
index ddb5aca18..4492b3ed0 100644
--- a/src/test/java/org/traccar/protocol/DishaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DishaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class DishaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DishaProtocolDecoder decoder = new DishaProtocolDecoder(null);
+        var decoder = new DishaProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$A#A#864161028848856#A#053523#010216#2232.7733#N#08821.1940#E#002.75#038.1#09#00.8#1800#0#000#0000#9999#11.7#285.7#0001*"));
diff --git a/src/test/java/org/traccar/protocol/DmtHttpProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DmtHttpProtocolDecoderTest.java
index e9d98d6d3..634e37b89 100644
--- a/src/test/java/org/traccar/protocol/DmtHttpProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DmtHttpProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class DmtHttpProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DmtHttpProtocolDecoder decoder = new DmtHttpProtocolDecoder(null);
+        var decoder = new DmtHttpProtocolDecoder(null);
 
         verifyPositions(decoder, request(HttpMethod.POST, "/",
                 buffer("{\"SerNo\":131693,\"IMEI\":\"356692063643328\",\"ICCID\":\"8944538523010771676\",\"ProdId\":33,\"FW\":\"33.4.1.27\",\"Records\":[{\"SeqNo\":125,\"Reason\":11,\"DateUTC\":\"2017-05-11 05:58:44\",\"Fields\":[{\"GpsUTC\":\"2017-05-08 18:04:57\",\"Lat\":43.7370138,\"Long\":-79.3462607,\"Alt\":197,\"Spd\":0,\"SpdAcc\":13,\"Head\":66,\"PDOP\":18,\"PosAcc\":37,\"GpsStat\":7,\"FType\":0},{\"DIn\":2,\"DOut\":0,\"DevStat\":2,\"FType\":2},{\"AnalogueData\":{\"1\":14641,\"3\":2484,\"4\":26,\"5\":10868},\"FType\":6},{\"AnalogueData\":{\"11\":34,\"12\":0,\"13\":309,\"14\":9921,\"15\":3},\"FType\":7}]},{\"SeqNo\":128,\"Reason\":11,\"DateUTC\":\"2017-05-11 17:59:45\",\"Fields\":[{\"GpsUTC\":\"2017-05-08 18:04:57\",\"Lat\":43.7370138,\"Long\":-79.3462607,\"Alt\":197,\"Spd\":0,\"SpdAcc\":13,\"Head\":66,\"PDOP\":18,\"PosAcc\":37,\"GpsStat\":7,\"FType\":0},{\"DIn\":2,\"DOut\":0,\"DevStat\":2,\"FType\":2},{\"AnalogueData\":{\"1\":14607,\"3\":2752,\"4\":26,\"5\":11062},\"FType\":6},{\"AnalogueData\":{\"11\":34,\"12\":1,\"13\":325,\"14\":10881,\"15\":3},\"FType\":7}]},{\"SeqNo\":130,\"Reason\":9,\"DateUTC\":\"2017-05-11 19:30:03\",\"Fields\":[{\"GpsUTC\":\"2017-05-08 18:04:57\",\"Lat\":43.7370138,\"Long\":-79.3462607,\"Alt\":197,\"Spd\":0,\"SpdAcc\":13,\"Head\":66,\"PDOP\":18,\"PosAcc\":37,\"GpsStat\":3,\"FType\":0},{\"DIn\":6,\"DOut\":0,\"DevStat\":2,\"FType\":2},{\"AnalogueData\":{\"1\":14599,\"3\":2731,\"4\":27,\"5\":10965},\"FType\":6},{\"AnalogueData\":{\"11\":34,\"12\":2,\"13\":329,\"14\":11121,\"15\":3},\"FType\":7}]},{\"SeqNo\":131,\"Reason\":11,\"DateUTC\":\"2017-05-11 19:32:03\",\"Fields\":[{\"GpsUTC\":\"2017-05-08 18:04:57\",\"Lat\":43.7370138,\"Long\":-79.3462607,\"Alt\":197,\"Spd\":0,\"SpdAcc\":13,\"Head\":66,\"PDOP\":18,\"PosAcc\":37,\"GpsStat\":7,\"FType\":0},{\"DIn\":6,\"DOut\":0,\"DevStat\":2,\"FType\":2},{\"AnalogueData\":{\"1\":14403,\"3\":2783,\"4\":27,\"5\":10965},\"FType\":6},{\"AnalogueData\":{\"11\":34,\"12\":2,\"13\":330,\"14\":11181,\"15\":3},\"FType\":7}]},{\"SeqNo\":133,\"Reason\":11,\"DateUTC\":\"2017-05-11 19:36:15\",\"Fields\":[{\"GpsUTC\":\"2017-05-08 18:04:57\",\"Lat\":43.7370138,\"Long\":-79.3462607,\"Alt\":197,\"Spd\":0,\"SpdAcc\":13,\"Head\":66,\"PDOP\":18,\"PosAcc\":37,\"GpsStat\":7,\"FType\":0},{\"DIn\":6,\"DOut\":0,\"DevStat\":2,\"FType\":2},{\"AnalogueData\":{\"1\":14319,\"3\":2898,\"4\":23,\"5\":10965},\"FType\":6},{\"AnalogueData\":{\"11\":34,\"12\":3,\"13\":331,\"14\":11241,\"15\":3},\"FType\":7}]}]}")));
diff --git a/src/test/java/org/traccar/protocol/DmtProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DmtProtocolDecoderTest.java
index efcd06218..82a4cd5ff 100644
--- a/src/test/java/org/traccar/protocol/DmtProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DmtProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class DmtProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DmtProtocolDecoder decoder = new DmtProtocolDecoder(null);
+        var decoder = new DmtProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "0255003300001b00003335333232393032373533393235310038393931353030303030303030313330343539340000000403041910780603"));
diff --git a/src/test/java/org/traccar/protocol/DolphinProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DolphinProtocolDecoderTest.java
index 2a668563e..0215973e8 100644
--- a/src/test/java/org/traccar/protocol/DolphinProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DolphinProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class DolphinProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DolphinProtocolDecoder decoder = new DolphinProtocolDecoder(null);
+        var decoder = new DolphinProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "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"));
diff --git a/src/test/java/org/traccar/protocol/DwayProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DwayProtocolDecoderTest.java
index 107a2a435..368f8b4ac 100644
--- a/src/test/java/org/traccar/protocol/DwayProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/DwayProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class DwayProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        DwayProtocolDecoder decoder = new DwayProtocolDecoder(null);
+        var decoder = new DwayProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "AA55,36,10024,1,171025,161055,36.0294,-79.7881,201, 2.5,111,1000,0000,00000,3578,0,0,0,D"));
diff --git a/src/test/java/org/traccar/protocol/EasyTrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EasyTrackProtocolDecoderTest.java
index abe5c5532..5fda7fb28 100644
--- a/src/test/java/org/traccar/protocol/EasyTrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EasyTrackProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class EasyTrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EasyTrackProtocolDecoder decoder = new EasyTrackProtocolDecoder(null);
+        var decoder = new EasyTrackProtocolDecoder(null);
 
         verifyNotNull(decoder, text(
                 "*ET,354522180593498,JZ,0,20222,262,724,4#"));
diff --git a/src/test/java/org/traccar/protocol/EasyTrackProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/EasyTrackProtocolEncoderTest.java
index 376ddf1e7..79b4e66e3 100644
--- a/src/test/java/org/traccar/protocol/EasyTrackProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/EasyTrackProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class EasyTrackProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeEngineStop() {
 
-        EasyTrackProtocolEncoder encoder = new EasyTrackProtocolEncoder(null);
+        var encoder = new EasyTrackProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/EelinkProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EelinkProtocolDecoderTest.java
index 08b2641aa..d0c683abf 100644
--- a/src/test/java/org/traccar/protocol/EelinkProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EelinkProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class EelinkProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EelinkProtocolDecoder decoder = new EelinkProtocolDecoder(null);
+        var decoder = new EelinkProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "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"));
diff --git a/src/test/java/org/traccar/protocol/EgtsFrameDecoderTest.java b/src/test/java/org/traccar/protocol/EgtsFrameDecoderTest.java
index 523d095f2..a1acb1e9d 100644
--- a/src/test/java/org/traccar/protocol/EgtsFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EgtsFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class EgtsFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EgtsFrameDecoder decoder = new EgtsFrameDecoder();
+        var decoder = new EgtsFrameDecoder();
 
         verifyFrame(
                 binary("0100020B0025003A5701C91A003A5701CD6E68490202101700CBB4740F7617FD924364104F116A0000000000010300001EC2"),
diff --git a/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java
index cdf27ee63..dcf70bcae 100644
--- a/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class EgtsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeWithObjectId() throws Exception {
 
-        EgtsProtocolDecoder decoder = new EgtsProtocolDecoder(null);
+        var decoder = new EgtsProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "0100020b002300020001871c00020000010105190000ab0800006247396e615734366347467a63336476636d513daadf"));
@@ -31,7 +31,7 @@ public class EgtsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeWithAuth() throws Exception {
 
-        EgtsProtocolDecoder decoder = new EgtsProtocolDecoder(null);
+        var decoder = new EgtsProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "0100010b002200c06401f21700c1640171360d00010101140071360d000238363539303500000000000000000047fc"));
diff --git a/src/test/java/org/traccar/protocol/EnforaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EnforaProtocolDecoderTest.java
index 1c2f9492a..14e982e39 100644
--- a/src/test/java/org/traccar/protocol/EnforaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EnforaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class EnforaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EnforaProtocolDecoder decoder = new EnforaProtocolDecoder(null);
+        var decoder = new EnforaProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "000A08002020202020303131303730303030353730323637"));
diff --git a/src/test/java/org/traccar/protocol/EnnfuProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EnnfuProtocolDecoderTest.java
index 7d40d956b..4afa5921f 100644
--- a/src/test/java/org/traccar/protocol/EnnfuProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EnnfuProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class EnnfuProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EnnfuProtocolDecoder decoder = new EnnfuProtocolDecoder(null);
+        var decoder = new EnnfuProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "Ennfu:354679095321652,041504.00,A,3154.86654,N,11849.08737,E,0.053,,080121,20,3.72,21.4,V0.01"));
diff --git a/src/test/java/org/traccar/protocol/EsealProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EsealProtocolDecoderTest.java
index b615e5062..d0d9e3c41 100644
--- a/src/test/java/org/traccar/protocol/EsealProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EsealProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class EsealProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EsealProtocolDecoder decoder = new EsealProtocolDecoder(null);
+        var decoder = new EsealProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "##S,eSeal,1000821,256,3.0.6,Normal,34,2017-08-31,08:14:40,15,A,25.708828N 100.372870W,10,0,Close,0.71,0:0:3:0,3.8,-73,E##"));
diff --git a/src/test/java/org/traccar/protocol/EsealProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/EsealProtocolEncoderTest.java
index 7bf4f844e..88be3ebc9 100644
--- a/src/test/java/org/traccar/protocol/EsealProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/EsealProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class EsealProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        EsealProtocolEncoder encoder = new EsealProtocolEncoder(null);
+        var encoder = new EsealProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/EskyFrameDecoderTest.java b/src/test/java/org/traccar/protocol/EskyFrameDecoderTest.java
index 20b5dfcd5..c3926c8d7 100644
--- a/src/test/java/org/traccar/protocol/EskyFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EskyFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class EskyFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EskyFrameDecoder decoder = new EskyFrameDecoder();
+        var decoder = new EskyFrameDecoder();
 
         verifyNull(
                 decoder.decode(null, null, binary("00")));
diff --git a/src/test/java/org/traccar/protocol/EskyProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EskyProtocolDecoderTest.java
index 8ce9eca78..ace55f934 100644
--- a/src/test/java/org/traccar/protocol/EskyProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EskyProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class EskyProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        EskyProtocolDecoder decoder = new EskyProtocolDecoder(null);
+        var decoder = new EskyProtocolDecoder(null);
 
         verifyAttribute(decoder, text(
                 "ET;0;860337031066546;R;9+200717114059+41.32053+19.80761+0.30+0+0x2+8+40381744+0+1409+11"),
diff --git a/src/test/java/org/traccar/protocol/ExtremTracProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ExtremTracProtocolDecoderTest.java
index c5b3364cf..29d11e02f 100644
--- a/src/test/java/org/traccar/protocol/ExtremTracProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ExtremTracProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ExtremTracProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ExtremTracProtocolDecoder decoder = new ExtremTracProtocolDecoder(null);
+        var decoder = new ExtremTracProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$GPRMC,862106020628733,050859.000,A,1404.8573,N,08710.9967,W,0.00,0,080117,0,,00C8,00218,99,,,,,,0.00"));
diff --git a/src/test/java/org/traccar/protocol/FifotrackFrameDecoderTest.java b/src/test/java/org/traccar/protocol/FifotrackFrameDecoderTest.java
index 6b39b6c17..32657b277 100644
--- a/src/test/java/org/traccar/protocol/FifotrackFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FifotrackFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class FifotrackFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FifotrackFrameDecoder decoder = new FifotrackFrameDecoder();
+        var decoder = new FifotrackFrameDecoder();
 
         verifyFrame(
                 binary("24243132362c3836393436373034393239303738372c324138432c4130312c2c3139303431333135333235342c412c2d31352e3132373836382c33392e3236323530362c302c3136322c3431352c38303937323234332c302c303030302c30302c302c3634337c337c353141467c424632462c3141337c3446367c3833327c302c312c2a3534"),
diff --git a/src/test/java/org/traccar/protocol/FifotrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FifotrackProtocolDecoderTest.java
index 08a5ec244..fdac158dd 100644
--- a/src/test/java/org/traccar/protocol/FifotrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FifotrackProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class FifotrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FifotrackProtocolDecoder decoder = new FifotrackProtocolDecoder(null);
+        var decoder = new FifotrackProtocolDecoder(null);
 
         verifyAttribute(decoder, buffer(
                 "$$25,863003046473534,1,B03,OK*4D"),
diff --git a/src/test/java/org/traccar/protocol/FifotrackProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/FifotrackProtocolEncoderTest.java
index b60313956..2da7f0842 100644
--- a/src/test/java/org/traccar/protocol/FifotrackProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/FifotrackProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class FifotrackProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        FifotrackProtocolEncoder encoder = new FifotrackProtocolEncoder(null);
+        var encoder = new FifotrackProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/FlespiProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FlespiProtocolDecoderTest.java
index 9e5a45a83..88fdb0959 100644
--- a/src/test/java/org/traccar/protocol/FlespiProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FlespiProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class FlespiProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FlespiProtocolDecoder decoder = new FlespiProtocolDecoder(null);
+        var decoder = new FlespiProtocolDecoder(null);
 
         verifyPositions(decoder, request(HttpMethod.POST, "/",
             buffer("[{\"position.speed\":0,\"position.latitude\":53.90573,\"time.valid.status\":true,\"timestamp\":1506956075,\"position.satellites\":10,\"message.buffered.status\":false,\"business.mode.status\":true,\"gps.status\":true,\"position.longitude\":27.455848,\"position.direction\":0,\"ident\":\"605630\"},{\"siren.status\":false,\"business.mode.status\":true,\"position.satellites\":8,\"timestamp\":1506695785,\"led.status\":false,\"position.latitude\":53.905569,\"position.longitude\":27.455986,\"position.speed\":0,\"gradual.stop.status\":false,\"position.direction\":262.643854,\"hardware.version.enum\":223,\"vehicle.mileage\":160,\"message.buffered.status\":false,\"blinkers.status\":false,\"ident\":\"605630\",\"position.altitude\":233.48,\"immobilizer.status\":false}]")));
diff --git a/src/test/java/org/traccar/protocol/FlexCommProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FlexCommProtocolDecoderTest.java
index 28ecaf646..3e988ba4f 100644
--- a/src/test/java/org/traccar/protocol/FlexCommProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FlexCommProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class FlexCommProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FlexCommProtocolDecoder decoder = new FlexCommProtocolDecoder(null);
+        var decoder = new FlexCommProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "7E00865067022408382201705302358271024932258006712785200700022601010224100040002C5002A2210001000000010012342107"));
diff --git a/src/test/java/org/traccar/protocol/FlextrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FlextrackProtocolDecoderTest.java
index 3f268fde9..0c1c18a0c 100644
--- a/src/test/java/org/traccar/protocol/FlextrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FlextrackProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class FlextrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FlextrackProtocolDecoder decoder = new FlextrackProtocolDecoder(null);
+        var decoder = new FlextrackProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "-1,LOGON,7000000123,8945000000"));
diff --git a/src/test/java/org/traccar/protocol/FoxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FoxProtocolDecoderTest.java
index 837b36b64..439a5553a 100644
--- a/src/test/java/org/traccar/protocol/FoxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FoxProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class FoxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FoxProtocolDecoder decoder = new FoxProtocolDecoder(null);
+        var decoder = new FoxProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "<fox><gps id=\"10\" data=\"51,A,010416,085317,4444.4158,N,02025.4466,E,1,182,,1110111111110111 141 0 0 0 0 0 10010000 10142,018C81851800009B\"/></fox>"));
diff --git a/src/test/java/org/traccar/protocol/FreedomProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FreedomProtocolDecoderTest.java
index b2fc1fd8d..c8f7a444b 100644
--- a/src/test/java/org/traccar/protocol/FreedomProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FreedomProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class FreedomProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FreedomProtocolDecoder decoder = new FreedomProtocolDecoder(null);
+        var decoder = new FreedomProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "IMEI,353358011714362,2014/05/22, 20:49:32, N, Lat:4725.9624, E, Lon:01912.5483, Spd:5.05"),
diff --git a/src/test/java/org/traccar/protocol/FreematicsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FreematicsProtocolDecoderTest.java
index 39d378322..6a7a15397 100644
--- a/src/test/java/org/traccar/protocol/FreematicsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FreematicsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class FreematicsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FreematicsProtocolDecoder decoder = new FreematicsProtocolDecoder(null);
+        var decoder = new FreematicsProtocolDecoder(null);
 
         verifyPositions(decoder, text(
                 "M0ZR4X0#0:204391,11:140221,10:8445000,A:49.215920,B:18.737755,C:410,D:0,E:208,24:1252,20:0;0;0,82:47*B5"));
diff --git a/src/test/java/org/traccar/protocol/FutureWayFrameDecoderTest.java b/src/test/java/org/traccar/protocol/FutureWayFrameDecoderTest.java
index fb1597474..b8eb3908e 100644
--- a/src/test/java/org/traccar/protocol/FutureWayFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FutureWayFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class FutureWayFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FutureWayFrameDecoder decoder = new FutureWayFrameDecoder();
+        var decoder = new FutureWayFrameDecoder();
 
         verifyFrame(
                 binary("343130303030303039424130303030344750533a562c3230303930323039333333332c302e3030303030304e2c302e303030303030452c302e3030302c302e3030300d0a574946493a332c317c39302d36372d31432d46372d32312d36437c353226327c38302d38392d31372d43362d37392d41307c353426337c34302d46342d32302d45462d44442d32417c35380d0a4c42533a3436302c302c34363437353036362c36390d0a36413432"),
diff --git a/src/test/java/org/traccar/protocol/FutureWayProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FutureWayProtocolDecoderTest.java
index e3df385df..fbb0a2aba 100644
--- a/src/test/java/org/traccar/protocol/FutureWayProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/FutureWayProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class FutureWayProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        FutureWayProtocolDecoder decoder = new FutureWayProtocolDecoder(null);
+        var decoder = new FutureWayProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "410000003F2000020,IMEI:354828100126461,battery level:6,network type:7,CSQ:236F42"));
diff --git a/src/test/java/org/traccar/protocol/GalileoFrameDecoderTest.java b/src/test/java/org/traccar/protocol/GalileoFrameDecoderTest.java
index 4f4972895..0d3199eab 100644
--- a/src/test/java/org/traccar/protocol/GalileoFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GalileoFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class GalileoFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GalileoFrameDecoder decoder = new GalileoFrameDecoder();
+        var decoder = new GalileoFrameDecoder();
 
         assertEquals(
                 binary("011780011102e603383633353931303238393630323437043200801c"),
diff --git a/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java
index 74612caab..66b375b8a 100644
--- a/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GalileoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GalileoProtocolDecoder decoder = new GalileoProtocolDecoder(null);
+        var decoder = new GalileoProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "011801018202130338363833343530333230343234323604640010a406207caa9f5b300c830a7901ca0ec802330000000034b802350540003e41703f422b1043234504004600e09000000000a000a100a200a300a400a500a600a700a800a900aa00ab00ac00ad00ae00af00b00000b10000b20000b30000b40000b50000b60000b70000b80000b90000c000000000c100000000c200000000c300000000c400c500c600c700c800c900ca00cb00cc00cd00ce00cf00d000d100d200d4d3140000d60000d70000d80000d90000da0000db00000000dc00000000dd00000000de00000000df00000000f000000000f100000000f200000000f300000000f400000000f500000000f600000000f700000000f800000000f9000000008960"));
diff --git a/src/test/java/org/traccar/protocol/GalileoProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/GalileoProtocolEncoderTest.java
index 6a68752bb..b25100c48 100644
--- a/src/test/java/org/traccar/protocol/GalileoProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/GalileoProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class GalileoProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        GalileoProtocolEncoder encoder = new GalileoProtocolEncoder(null);
+        var encoder = new GalileoProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/GatorProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GatorProtocolDecoderTest.java
index 7e1ccb79d..24686e220 100644
--- a/src/test/java/org/traccar/protocol/GatorProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GatorProtocolDecoderTest.java
@@ -17,7 +17,7 @@ public class GatorProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GatorProtocolDecoder decoder = new GatorProtocolDecoder(null);
+        var decoder = new GatorProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "242480002600341cad190917022021812497260280594200000000c047010000135400009bb600ff00b90d"));
diff --git a/src/test/java/org/traccar/protocol/GenxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GenxProtocolDecoderTest.java
index 373c8c49e..382c974ce 100644
--- a/src/test/java/org/traccar/protocol/GenxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GenxProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GenxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GenxProtocolDecoder decoder = new GenxProtocolDecoder(null);
+        var decoder = new GenxProtocolDecoder(null);
 
         decoder.setReportColumns("28,2,3,4,13,17,10,23,27,11,7,8,46,56,59,70,74,75,77,89,90,93,99,107,112,113,114,176,175,178,181,182");
 
diff --git a/src/test/java/org/traccar/protocol/Gl100ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gl100ProtocolDecoderTest.java
index ffafcd7b1..50f993839 100644
--- a/src/test/java/org/traccar/protocol/Gl100ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gl100ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Gl100ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gl100ProtocolDecoder decoder = new Gl100ProtocolDecoder(null);
+        var decoder = new Gl100ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "+RESP:GTLGL,359464030492644,1,2,1,0,0.4,0,299.7,1,5.455551,51.449776,20160311083229,0204,0016,03EC,BD94,00,0036,0102090501"));
diff --git a/src/test/java/org/traccar/protocol/Gl200BinaryProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gl200BinaryProtocolDecoderTest.java
index e6fb98340..b8ce8af5d 100644
--- a/src/test/java/org/traccar/protocol/Gl200BinaryProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gl200BinaryProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Gl200BinaryProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gl200BinaryProtocolDecoder decoder = new Gl200BinaryProtocolDecoder(null);
+        var decoder = new Gl200BinaryProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "2b4556542d00fc1fbf0063450102020956325403000343056437f8220700000200000000010000160100f2007eff75a1f0025c6b1a07e1080108241a02680003189c1ac500000000000002100800000000000000000007e1080108241a19e24e4e0d0a"));
diff --git a/src/test/java/org/traccar/protocol/Gl200FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Gl200FrameDecoderTest.java
index ed5e9d226..17eed8a59 100644
--- a/src/test/java/org/traccar/protocol/Gl200FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gl200FrameDecoderTest.java
@@ -10,7 +10,7 @@ public class Gl200FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gl200FrameDecoder decoder = new Gl200FrameDecoder();
+        var decoder = new Gl200FrameDecoder();
 
         assertEquals(
                 binary("2b4c474e00ff0026fe110b07020106563454040d054905000007e4031911213905083abd0d0a"),
diff --git a/src/test/java/org/traccar/protocol/Gl200TextProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
index cd8a11b0d..8978f64e5 100644
--- a/src/test/java/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Gl200TextProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gl200TextProtocolDecoder decoder = new Gl200TextProtocolDecoder(null);
+        var decoder = new Gl200TextProtocolDecoder(null);
 
         verifyAttributes(decoder, buffer(
                 "+RESP:GTINF,DC0103,865284049247079,gv600mg,21,89883070000007211665,22,0,11,12913,12917,4.26,0,1,,,20210216154607,1,79,,01,00,,,20210216104606,1EBE$"));
diff --git a/src/test/java/org/traccar/protocol/GlobalSatProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GlobalSatProtocolDecoderTest.java
index eac948cc4..3f5296f4b 100644
--- a/src/test/java/org/traccar/protocol/GlobalSatProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GlobalSatProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GlobalSatProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GlobalSatProtocolDecoder decoder = new GlobalSatProtocolDecoder(null);
+        var decoder = new GlobalSatProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "GSh,131826789036289,3,M,ea04*3d"));
diff --git a/src/test/java/org/traccar/protocol/GlobalSatProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/GlobalSatProtocolEncoderTest.java
index 8cfa9299b..ae4b52167 100644
--- a/src/test/java/org/traccar/protocol/GlobalSatProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/GlobalSatProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class GlobalSatProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeAlarmDismiss() {
 
-        GlobalSatProtocolEncoder encoder = new GlobalSatProtocolEncoder(null);
+        var encoder = new GlobalSatProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -24,7 +24,7 @@ public class GlobalSatProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeOutputControl() {
 
-        GlobalSatProtocolEncoder encoder = new GlobalSatProtocolEncoder(null);
+        var encoder = new GlobalSatProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/GlobalstarProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GlobalstarProtocolDecoderTest.java
index 75d30ec47..1dd5c2542 100644
--- a/src/test/java/org/traccar/protocol/GlobalstarProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GlobalstarProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class GlobalstarProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GlobalstarProtocolDecoder decoder = new GlobalstarProtocolDecoder(null);
+        var decoder = new GlobalstarProtocolDecoder(null);
 
         verifyNull(decoder, request(HttpMethod.POST, "/", buffer(
                 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n",
diff --git a/src/test/java/org/traccar/protocol/GnxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GnxProtocolDecoderTest.java
index 91aca50c8..8bd5e2bd5 100644
--- a/src/test/java/org/traccar/protocol/GnxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GnxProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GnxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GnxProtocolDecoder decoder = new GnxProtocolDecoder(null);
+        var decoder = new GnxProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$GNX_MIF,865733022354161,143,0,172642,180316,172642,180316,1,13.034581,N,080.234521,E,0,05396274,ROUTE_2#########,Deo ############,GNX04008,B0*"));
diff --git a/src/test/java/org/traccar/protocol/GoSafeProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GoSafeProtocolDecoderTest.java
index 2ad080219..3ede9017f 100644
--- a/src/test/java/org/traccar/protocol/GoSafeProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GoSafeProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class GoSafeProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GoSafeProtocolDecoder decoder = new GoSafeProtocolDecoder(null);
+        var decoder = new GoSafeProtocolDecoder(null);
 
         verifyAttribute(decoder, text(
                 "*GS06,356449068350122,013519070819,,SYS:G6S;V3.37;V1.1.8,GPS:A;12;N23.169866;E113.450728;0;255;54;0.79,COT:18779;,ADC:12.66;0.58,DTT:4084;E1;0;0;0;1,IWD:0;1;ad031652643fff28;23.2;1;1;86031652504fff28;24.3;2;1;e603165252a5ff28;24.2;3;1;bb0416557da6ff28;24.0#"),
diff --git a/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java
index 23762f572..bae187959 100644
--- a/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GotopProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GotopProtocolDecoder decoder = new GotopProtocolDecoder(null);
+        var decoder = new GotopProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 ""));
diff --git a/src/test/java/org/traccar/protocol/Gps056FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Gps056FrameDecoderTest.java
index ce21f733f..f6524f82b 100644
--- a/src/test/java/org/traccar/protocol/Gps056FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gps056FrameDecoderTest.java
@@ -10,7 +10,7 @@ public class Gps056FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gps056FrameDecoder decoder = new Gps056FrameDecoder();
+        var decoder = new Gps056FrameDecoder();
 
         assertEquals(
                 binary("242435314750534c5f30323836323436323033333738323934361905110f160b0b7710584e1cbd1b9b4500005b100300fb0a071700ffff23"),
diff --git a/src/test/java/org/traccar/protocol/Gps056ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gps056ProtocolDecoderTest.java
index a6d0c024a..01fa98ba4 100644
--- a/src/test/java/org/traccar/protocol/Gps056ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gps056ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Gps056ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gps056ProtocolDecoder decoder = new Gps056ProtocolDecoder(null);
+        var decoder = new Gps056ProtocolDecoder(null);
 
         verifyNull(decoder, buffer(
                 "$$25LOGN_118624620337829462.1#"));
diff --git a/src/test/java/org/traccar/protocol/Gps103ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gps103ProtocolDecoderTest.java
index f22b3801c..79dc8ab7b 100644
--- a/src/test/java/org/traccar/protocol/Gps103ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gps103ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Gps103ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gps103ProtocolDecoder decoder = new Gps103ProtocolDecoder(null);
+        var decoder = new Gps103ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "imei:864035050002451,tracker,201223064947,,F,064947,A,1935.70640,N,09859.94436,W,0.025,;"));
diff --git a/src/test/java/org/traccar/protocol/Gps103ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/Gps103ProtocolEncoderTest.java
index 23a05fcee..5edfbf629 100644
--- a/src/test/java/org/traccar/protocol/Gps103ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gps103ProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class Gps103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionPeriodic() throws Exception {
 
-        Gps103ProtocolEncoder encoder = new Gps103ProtocolEncoder(null);
+        var encoder = new Gps103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -25,7 +25,7 @@ public class Gps103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeCustom() throws Exception {
 
-        Gps103ProtocolEncoder encoder = new Gps103ProtocolEncoder(null);
+        var encoder = new Gps103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/GpsGateProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GpsGateProtocolDecoderTest.java
index d35666b56..c935fb3c2 100644
--- a/src/test/java/org/traccar/protocol/GpsGateProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GpsGateProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GpsGateProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GpsGateProtocolDecoder decoder = new GpsGateProtocolDecoder(null);
+        var decoder = new GpsGateProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$FRCMD,0097,_SendMessage,,7618.51990,S,4002.26182,E,350.0,1.08,0.0,250816,183522.000,0*7F"));
diff --git a/src/test/java/org/traccar/protocol/GpsMarkerProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GpsMarkerProtocolDecoderTest.java
index d6ba11cb7..c0b4966a8 100644
--- a/src/test/java/org/traccar/protocol/GpsMarkerProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GpsMarkerProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class GpsMarkerProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GpsMarkerProtocolDecoder decoder = new GpsMarkerProtocolDecoder(null);
+        var decoder = new GpsMarkerProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$GM23D863071014445404T260816142611N55441051E037325071033063C0530304#"));
diff --git a/src/test/java/org/traccar/protocol/GpsmtaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GpsmtaProtocolDecoderTest.java
index 438d0fb3a..7170718f6 100644
--- a/src/test/java/org/traccar/protocol/GpsmtaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GpsmtaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GpsmtaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GpsmtaProtocolDecoder decoder = new GpsmtaProtocolDecoder(null);
+        var decoder = new GpsmtaProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "3085a94ef459 1446536867 49.81621 24.054207 1 0 22 0 10 12 24 0 0"));
diff --git a/src/test/java/org/traccar/protocol/GranitFrameDecoderTest.java b/src/test/java/org/traccar/protocol/GranitFrameDecoderTest.java
index 7c4bb06c2..b4e24f961 100644
--- a/src/test/java/org/traccar/protocol/GranitFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GranitFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class GranitFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GranitFrameDecoder decoder = new GranitFrameDecoder();
+        var decoder = new GranitFrameDecoder();
 
         assertEquals(
                 binary("2b525243427e1a003e2934757c57b8b03c38d279b4e61e9bd7006b000000001c00002a4533"),
diff --git a/src/test/java/org/traccar/protocol/GranitProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GranitProtocolDecoderTest.java
index fc75b2a53..7fd5ffe0e 100644
--- a/src/test/java/org/traccar/protocol/GranitProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GranitProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class GranitProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        GranitProtocolDecoder decoder = new GranitProtocolDecoder(null);
+        var decoder = new GranitProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "2b444441547e8400c500040130050c43495808002839aee3150200000000640000000000000008002839aee3150200000000640000000000000008002839aee3150200000000640000000000000008002839aee3150200000000640000000000000008002839aee3150200000000640000000000000008002839aee3150200000000640000000000000014002a37420d0a"));
diff --git a/src/test/java/org/traccar/protocol/Gt02ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt02ProtocolDecoderTest.java
index f9b8f6509..9d36ef346 100644
--- a/src/test/java/org/traccar/protocol/Gt02ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt02ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Gt02ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gt02ProtocolDecoder decoder = new Gt02ProtocolDecoder(null);
+        var decoder = new Gt02ProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "6868150000035889905895258400831c07415045584f4b210d0a"));
diff --git a/src/test/java/org/traccar/protocol/Gt06FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06FrameDecoderTest.java
index cf6d1cfd7..059674398 100644
--- a/src/test/java/org/traccar/protocol/Gt06FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class Gt06FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gt06FrameDecoder decoder = new Gt06FrameDecoder();
+        var decoder = new Gt06FrameDecoder();
 
         verifyFrame(
                 binary("787803691604130318491475905BD30E25001E10BBF7635D14759006E626560501CC0028660F213228660F1F2828660EA81E286610731428660F20140D0A"),
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index 1f92f5a26..d45d7acd9 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gt06ProtocolDecoder decoder = new Gt06ProtocolDecoder(null);
+        var decoder = new Gt06ProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "787805120099abec0d0a"));
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolEncoderTest.java
index 178c7b763..79165d9dc 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class Gt06ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        Gt06ProtocolEncoder encoder = new Gt06ProtocolEncoder(null);
+        var encoder = new Gt06ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Gt30ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt30ProtocolDecoderTest.java
index cb792ba09..24addc8b4 100644
--- a/src/test/java/org/traccar/protocol/Gt30ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt30ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Gt30ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Gt30ProtocolDecoder decoder = new Gt30ProtocolDecoder(null);
+        var decoder = new Gt30ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$$005D3037811014    9955102834.000,A,3802.8629,N,02349.7163,E,0.00,,060117,,*13|1.3|26225BD"));
diff --git a/src/test/java/org/traccar/protocol/H02FrameDecoderTest.java b/src/test/java/org/traccar/protocol/H02FrameDecoderTest.java
index bdb2ff37b..2294b773b 100644
--- a/src/test/java/org/traccar/protocol/H02FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/H02FrameDecoderTest.java
@@ -10,7 +10,7 @@ public class H02FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeShort() throws Exception {
 
-        H02FrameDecoder decoder = new H02FrameDecoder(0);
+        var decoder = new H02FrameDecoder(0);
 
         assertEquals(
                 binary("2a48512c3335353438383032303131333931312c56312c3031323934352c412c353233312e37393238332c4e2c30313332342e31303731382c452c302e30352c302c3137303231372c464646464646464623"),
@@ -37,7 +37,7 @@ public class H02FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeLong() throws Exception {
 
-        H02FrameDecoder decoder = new H02FrameDecoder(0);
+        var decoder = new H02FrameDecoder(0);
 
         assertEquals(
                 binary("24410600082621532131081504419390060740418306000000fffffbfdff0015060000002c02dc0c000000001f"),
@@ -48,7 +48,7 @@ public class H02FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeAlternative() throws Exception {
 
-        H02FrameDecoder decoder = new H02FrameDecoder(0);
+        var decoder = new H02FrameDecoder(0);
 
         assertEquals(
                 binary("2a48512c343230363131393133302c4e42522c3130323430332c3233382c312c302c372c313131312c323236342c36332c313131312c323236352c35382c313131312c323236362c35302c313131312c333133352c33372c313131312c3630352c33332c313131312c343932302c33302c313131312c3630372c32382c3131303131372c46464646444646462c3623"),
diff --git a/src/test/java/org/traccar/protocol/H02ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/H02ProtocolDecoderTest.java
index 07411b55f..f9bf574cd 100644
--- a/src/test/java/org/traccar/protocol/H02ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/H02ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class H02ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        H02ProtocolDecoder decoder = new H02ProtocolDecoder(null);
+        var decoder = new H02ProtocolDecoder(null);
 
         verifyAttribute(decoder, buffer(
                 "*HQ,135790246811220,HTBT,100#"),
@@ -264,7 +264,7 @@ public class H02ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeStatus() throws Exception {
 
-        H02ProtocolDecoder decoder = new H02ProtocolDecoder(null);
+        var decoder = new H02ProtocolDecoder(null);
 
         verifyAttribute(decoder, buffer(
                 "*HQ,2705171109,V1,213324,A,5002.5849,N,01433.7822,E,0.00,000,140613,FFFFFFFF#"),
diff --git a/src/test/java/org/traccar/protocol/H02ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/H02ProtocolEncoderTest.java
index 155869b24..3ed0a7e91 100644
--- a/src/test/java/org/traccar/protocol/H02ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/H02ProtocolEncoderTest.java
@@ -19,7 +19,7 @@ public class H02ProtocolEncoderTest extends ProtocolTest {
             LocalDateTime.of(LocalDate.now(), LocalTime.of(1, 2, 3)).atZone(ZoneOffset.systemDefault()).toInstant());
 
     @Test
-    public void testAlarmArmEncode() throws Exception {
+    public void testAlarmArmEncode() {
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -29,7 +29,7 @@ public class H02ProtocolEncoderTest extends ProtocolTest {
     }
 
     @Test
-    public void testAlarmDisarmEncode() throws Exception {
+    public void testAlarmDisarmEncode() {
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -39,7 +39,7 @@ public class H02ProtocolEncoderTest extends ProtocolTest {
     }
 
     @Test
-    public void testEngineStopEncode() throws Exception {
+    public void testEngineStopEncode() {
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -49,7 +49,7 @@ public class H02ProtocolEncoderTest extends ProtocolTest {
     }
 
     @Test
-    public void testEngineResumeEncode() throws Exception {
+    public void testEngineResumeEncode() {
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -59,7 +59,7 @@ public class H02ProtocolEncoderTest extends ProtocolTest {
     }
 
     @Test
-    public void testPositionPeriodicEncode() throws Exception {
+    public void testPositionPeriodicEncode() {
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/HaicomProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HaicomProtocolDecoderTest.java
index 6d879daf2..9d80940ea 100644
--- a/src/test/java/org/traccar/protocol/HaicomProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HaicomProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class HaicomProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HaicomProtocolDecoder decoder = new HaicomProtocolDecoder(null);
+        var decoder = new HaicomProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$GPRS012497007097169,T100001,150618,230031,5402267400332464,0004,2014,000001,,,1,00#V040*"),
diff --git a/src/test/java/org/traccar/protocol/HomtecsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HomtecsProtocolDecoderTest.java
index 9acf2ce87..192aa3010 100644
--- a/src/test/java/org/traccar/protocol/HomtecsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HomtecsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class HomtecsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HomtecsProtocolDecoder decoder = new HomtecsProtocolDecoder(null);
+        var decoder = new HomtecsProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "MDS0001_R6d1821f7,170323,143601.00,04,,,,,,,,,"));
diff --git a/src/test/java/org/traccar/protocol/HuaShengFrameDecoderTest.java b/src/test/java/org/traccar/protocol/HuaShengFrameDecoderTest.java
index 0f24d4b5c..228f41ee8 100644
--- a/src/test/java/org/traccar/protocol/HuaShengFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuaShengFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class HuaShengFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HuaShengFrameDecoder decoder = new HuaShengFrameDecoder();
+        var decoder = new HuaShengFrameDecoder();
 
         assertEquals(
                 binary("c0010c00120060000000000004000600010100c0"),
diff --git a/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java
index 7348ec547..51a5d18ae 100644
--- a/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class HuaShengProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HuaShengProtocolDecoder decoder = new HuaShengProtocolDecoder(null);
+        var decoder = new HuaShengProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "c0010c003c0002000000000044020010a0014f42445f3347315f56322e320013a0043335353835353035313032303536360006a08700000006a0a105c9c0"));
diff --git a/src/test/java/org/traccar/protocol/HuabaoFrameDecoderTest.java b/src/test/java/org/traccar/protocol/HuabaoFrameDecoderTest.java
index 3b32be8dd..d4789032d 100644
--- a/src/test/java/org/traccar/protocol/HuabaoFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuabaoFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class HuabaoFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HuabaoFrameDecoder decoder = new HuabaoFrameDecoder();
+        var decoder = new HuabaoFrameDecoder();
 
         verifyFrame(
                 binary("283734303139303331313138352c312c3030312c454c4f434b2c332c35323934333929"),
diff --git a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
index e8bd92f8c..07442fbef 100644
--- a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class HuabaoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HuabaoProtocolDecoder decoder = new HuabaoProtocolDecoder(null);
+        var decoder = new HuabaoProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "7E01000021013345678906000F002C012F373031313142534A2D4D3742203030303030303001D4C1423838383838B47E"));
diff --git a/src/test/java/org/traccar/protocol/HuabaoProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/HuabaoProtocolEncoderTest.java
index d0a0427c8..1cb273c2b 100644
--- a/src/test/java/org/traccar/protocol/HuabaoProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuabaoProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class HuabaoProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        HuabaoProtocolEncoder encoder = new HuabaoProtocolEncoder(null);
+        var encoder = new HuabaoProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/HunterProProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HunterProProtocolDecoderTest.java
index f0697f423..81fdae95c 100644
--- a/src/test/java/org/traccar/protocol/HunterProProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HunterProProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class HunterProProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        HunterProProtocolDecoder decoder = new HunterProProtocolDecoder(null);
+        var decoder = new HunterProProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 ">0002<$GPRMC,170559.000,A,0328.3045,N,07630.0735,W,0.73,266.16,200816,,,A77, s000078015180\",0MD"));
diff --git a/src/test/java/org/traccar/protocol/IdplProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/IdplProtocolDecoderTest.java
index d211d80ce..a5141c389 100644
--- a/src/test/java/org/traccar/protocol/IdplProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/IdplProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class IdplProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        IdplProtocolDecoder decoder = new IdplProtocolDecoder(null);
+        var decoder = new IdplProtocolDecoder(null);
         
         verifyPosition(decoder, text(
                 "*ID1,863071011086474,210314,153218,A,1831.4577,N,07351.1433,E,0.79,240.64,9,20,A,1,4.20,0,1,01,1,0,0,A01,R,935D#"),
diff --git a/src/test/java/org/traccar/protocol/IntellitracProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/IntellitracProtocolDecoderTest.java
index eb6480213..ee3a25cbe 100644
--- a/src/test/java/org/traccar/protocol/IntellitracProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/IntellitracProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class IntellitracProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        IntellitracProtocolDecoder decoder = new IntellitracProtocolDecoder(null);
+        var decoder = new IntellitracProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "359316075744331,20201008181424,12.014662,57.826301,0,76,24,10,997,3,0,0.000,4.208,20201008181424,0"));
diff --git a/src/test/java/org/traccar/protocol/IotmProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/IotmProtocolDecoderTest.java
index 9a8c6534c..ca72874ef 100644
--- a/src/test/java/org/traccar/protocol/IotmProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/IotmProtocolDecoderTest.java
@@ -10,7 +10,7 @@ public class IotmProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        IotmProtocolDecoder decoder = new IotmProtocolDecoder(null);
+        var decoder = new IotmProtocolDecoder(null);
 
         verifyNull(decoder, MqttMessageBuilders.connect().clientId(
                 "123456789012345").build());
diff --git a/src/test/java/org/traccar/protocol/ItsFrameDecoderTest.java b/src/test/java/org/traccar/protocol/ItsFrameDecoderTest.java
index f5c98b1aa..363185b4c 100644
--- a/src/test/java/org/traccar/protocol/ItsFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ItsFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class ItsFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ItsFrameDecoder decoder = new ItsFrameDecoder();
+        var decoder = new ItsFrameDecoder();
 
         verifyFrame(
                 binary("242c2c3836383732383033373731373434312c312e3444335f4149533134305f312e302c56455253494f4e312e302c32382e3633333731372c4e2c37372e3232323730322c45"),
diff --git a/src/test/java/org/traccar/protocol/ItsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ItsProtocolDecoderTest.java
index 69abfd837..9d38a66d9 100644
--- a/src/test/java/org/traccar/protocol/ItsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ItsProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class ItsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ItsProtocolDecoder decoder = new ItsProtocolDecoder(null);
+        var decoder = new ItsProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "$LGN,,869867037009679,3.2AIH,9.99546000,N,76.35886167,E"));
diff --git a/src/test/java/org/traccar/protocol/ItsProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/ItsProtocolEncoderTest.java
index 225edd643..5302709fc 100644
--- a/src/test/java/org/traccar/protocol/ItsProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/ItsProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class ItsProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        ItsProtocolEncoder encoder = new ItsProtocolEncoder(null);
+        var encoder = new ItsProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Ivt401ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Ivt401ProtocolDecoderTest.java
index b0b416891..8a71cb4d5 100644
--- a/src/test/java/org/traccar/protocol/Ivt401ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Ivt401ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Ivt401ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Ivt401ProtocolDecoder decoder = new Ivt401ProtocolDecoder(null);
+        var decoder = new Ivt401ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "(TLA,356917051007891,190118,090211,+16.986606,+82.242416,0,66,4,13,1,5,000,00,0.0,11.59,8.30,37.77,0.0,1,1.02,0,0,208,0,0,0,0,000000000,0,0,0,0,0,0,0,1,8654604,5,9,114)"));
diff --git a/src/test/java/org/traccar/protocol/JpKorjarProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/JpKorjarProtocolDecoderTest.java
index 8179a2bae..13137006c 100644
--- a/src/test/java/org/traccar/protocol/JpKorjarProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/JpKorjarProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class JpKorjarProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        JpKorjarProtocolDecoder decoder = new JpKorjarProtocolDecoder(null);
+        var decoder = new JpKorjarProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "KORJAR.PL,329587014519383,160910144240,52.247254N,021.013375E,0.00,1,F:4.18V,1 260 01 794B 3517,"));
diff --git a/src/test/java/org/traccar/protocol/Jt600FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Jt600FrameDecoderTest.java
index e695624a9..cd2d5b102 100644
--- a/src/test/java/org/traccar/protocol/Jt600FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Jt600FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class Jt600FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Jt600FrameDecoder decoder = new Jt600FrameDecoder();
+        var decoder = new Jt600FrameDecoder();
 
         verifyFrame(
                 binary("2478905197081711003405101917164812492365028134847d0a1c000002640c0000000020c032759600731000000f0f0f0f0f0f0f0f0f0f000702850274"),
diff --git a/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java
index 4a3c752cd..be384c0f1 100644
--- a/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Jt600ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Jt600ProtocolDecoder decoder = new Jt600ProtocolDecoder(null);
+        var decoder = new Jt600ProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "2478807035371711003419081920061851380856003256223b000000000000070000000020c0ff965d54de1800000f0f0f0f0f0f0f0f0f0f02d600ea0a21"));
diff --git a/src/test/java/org/traccar/protocol/Jt600ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/Jt600ProtocolEncoderTest.java
index c0b399c63..51cefb962 100644
--- a/src/test/java/org/traccar/protocol/Jt600ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/Jt600ProtocolEncoderTest.java
@@ -11,26 +11,26 @@ public class Jt600ProtocolEncoderTest extends ProtocolTest {
     Command command = new Command();
 
     @Test
-    public void testEngineStop() throws Exception {
+    public void testEngineStop() {
         command.setType(Command.TYPE_ENGINE_STOP);
         assertEquals("(S07,0)", encoder.encodeCommand(command));
     }
 
     @Test
-    public void testEngineResume() throws Exception {
+    public void testEngineResume() {
         command.setType(Command.TYPE_ENGINE_RESUME);
         assertEquals("(S07,1)", encoder.encodeCommand(command));
     }
 
     @Test
-    public void testSetTimezone() throws Exception {
+    public void testSetTimezone() {
         command.setType(Command.TYPE_SET_TIMEZONE);
         command.set(Command.KEY_TIMEZONE, "GMT+4");
         assertEquals("(S09,1,240)", encoder.encodeCommand(command));
     }
 
     @Test
-    public void testReboot() throws Exception {
+    public void testReboot() {
         command.setType(Command.TYPE_REBOOT_DEVICE);
         assertEquals("(S17)", encoder.encodeCommand(command));
     }
diff --git a/src/test/java/org/traccar/protocol/KenjiProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/KenjiProtocolDecoderTest.java
index 5596913c9..53ef1d5ca 100755
--- a/src/test/java/org/traccar/protocol/KenjiProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/KenjiProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class KenjiProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        KenjiProtocolDecoder decoder = new KenjiProtocolDecoder(null);
+        var decoder = new KenjiProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 ">C800000,M005004,O0000,I0002,D124057,A,S3137.2783,W05830.2978,T000.0,H254.3,Y240116,G06*17"),
diff --git a/src/test/java/org/traccar/protocol/KhdProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/KhdProtocolDecoderTest.java
index b82a277b3..76f4d83d2 100644
--- a/src/test/java/org/traccar/protocol/KhdProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/KhdProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class KhdProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        KhdProtocolDecoder decoder = new KhdProtocolDecoder(null);
+        var decoder = new KhdProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "292980002825863156210105095059035109370460010100000211ffff000002fc0000001e780b12000034e70d"));
diff --git a/src/test/java/org/traccar/protocol/KhdProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/KhdProtocolEncoderTest.java
index 043bf4d9a..287d05fca 100644
--- a/src/test/java/org/traccar/protocol/KhdProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/KhdProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class KhdProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        KhdProtocolEncoder encoder = new KhdProtocolEncoder(null);
+        var encoder = new KhdProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/L100FrameDecoderTest.java b/src/test/java/org/traccar/protocol/L100FrameDecoderTest.java
index 5ffa3d8d1..45c69105b 100644
--- a/src/test/java/org/traccar/protocol/L100FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/L100FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class L100FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        L100FrameDecoder decoder = new L100FrameDecoder();
+        var decoder = new L100FrameDecoder();
 
         verifyFrame(
                 binary("41544c2c4c2c3836383334353033383137313936332c4e2c3230313231382c3039333031362c412c3032352e3036373134342c4e2c3035352e3134343833332c452c3030302e302c4750532c333933392c3432342c30332c30303430352c303038383334"),
diff --git a/src/test/java/org/traccar/protocol/L100ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/L100ProtocolDecoderTest.java
index 04f586f7a..d4bef3885 100644
--- a/src/test/java/org/traccar/protocol/L100ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/L100ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class L100ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        L100ProtocolDecoder decoder = new L100ProtocolDecoder(null);
+        var decoder = new L100ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "ATL,NP,868004029750174,$GPRMC,062943,A,2533.6719,N,09154.3203,E,0,179,311218,,,*39,#01111011000000,0,0,0,934.82,27.13,4.0,25,405,755,15af,974b,0,0,0,ATL"));
diff --git a/src/test/java/org/traccar/protocol/LaipacProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/LaipacProtocolDecoderTest.java
index 5b66ed865..1d5819603 100644
--- a/src/test/java/org/traccar/protocol/LaipacProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/LaipacProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class LaipacProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        LaipacProtocolDecoder decoder = new LaipacProtocolDecoder(null);
+        var decoder = new LaipacProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$AVRMC,80006405,212645,r,3013.9938,N,08133.3998,W,0.00,0.00,010317,a,4076,0,1,0,0,53170583,310260*78"));
diff --git a/src/test/java/org/traccar/protocol/LeafSpyProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/LeafSpyProtocolDecoderTest.java
index 7fe405ea8..aed82eb41 100644
--- a/src/test/java/org/traccar/protocol/LeafSpyProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/LeafSpyProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class LeafSpyProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        LeafSpyProtocolDecoder decoder = new LeafSpyProtocolDecoder(null);
+        var decoder = new LeafSpyProtocolDecoder(null);
 
         verifyNull(decoder, request(
                 "/?Lat=60.0&Long=30.0"));
diff --git a/src/test/java/org/traccar/protocol/M2cProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/M2cProtocolDecoderTest.java
index 65c9cc43b..ede056f96 100644
--- a/src/test/java/org/traccar/protocol/M2cProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/M2cProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class M2cProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        M2cProtocolDecoder decoder = new M2cProtocolDecoder(null);
+        var decoder = new M2cProtocolDecoder(null);
 
         verifyPositions(decoder, text(
                 "[#M2C,2020,P1.B1.H3.F9.R1,102,864547034433966,1,L,0,20,171221,062016,28.647552,77.192841,0,0,0.0,0,0,64,255,11983,0,0,0,0.0,0,0,0,404,4,1F6,4D77,31,0*7524\r\n",
diff --git a/src/test/java/org/traccar/protocol/M2mProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/M2mProtocolDecoderTest.java
index 1c45c976b..f318dcfef 100644
--- a/src/test/java/org/traccar/protocol/M2mProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/M2mProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class M2mProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        M2mProtocolDecoder decoder = new M2mProtocolDecoder(null);
+        var decoder = new M2mProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "235A3C2A2624215C287D70212A21254C7C6421220B0B0B"));
diff --git a/src/test/java/org/traccar/protocol/MaestroProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MaestroProtocolDecoderTest.java
index c7a7624c0..19f9b9da7 100644
--- a/src/test/java/org/traccar/protocol/MaestroProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MaestroProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MaestroProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MaestroProtocolDecoder decoder = new MaestroProtocolDecoder(null);
+        var decoder = new MaestroProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "@353893040202807,705,UPV-02,1,13.2,17,0,0,16/09/11,11:42:49,0.352705,32.647918,1210.5,0.000000,35.33,11,0.8,0.000,0!\0"));
diff --git a/src/test/java/org/traccar/protocol/ManPowerProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ManPowerProtocolDecoderTest.java
index 1d6f80ae3..74f3ff1ec 100644
--- a/src/test/java/org/traccar/protocol/ManPowerProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ManPowerProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ManPowerProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ManPowerProtocolDecoder decoder = new ManPowerProtocolDecoder(null);
+        var decoder = new ManPowerProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "simei:352581250259539,,,tracker,51,24,1.73,130426023608,A,3201.5462,N,03452.2975,E,0.01,28B9,1DED,425,01,1x0x0*0x1*60x+2,en-us,"),
diff --git a/src/test/java/org/traccar/protocol/MegastekFrameDecoderTest.java b/src/test/java/org/traccar/protocol/MegastekFrameDecoderTest.java
index 68606a98a..f1650b1b2 100644
--- a/src/test/java/org/traccar/protocol/MegastekFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MegastekFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class MegastekFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MegastekFrameDecoder decoder = new MegastekFrameDecoder();
+        var decoder = new MegastekFrameDecoder();
 
         verifyFrame(
                 binary("30313337244d47563030322c3335343535303035303239323636392c4756543930302c522c3134313231352c3033313830342c412c2c532c2c452c30302c30332c30302c332e36372c302e3030302c302e30302c3131372e312c302e302c3531302c31302c2c2c2c303030302c303030302c32322c31322c302c202c202c2c312d312c39382c5057204f4e3b21"),
diff --git a/src/test/java/org/traccar/protocol/MegastekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MegastekProtocolDecoderTest.java
index 1bf3dbd25..6b7eb2e99 100644
--- a/src/test/java/org/traccar/protocol/MegastekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MegastekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MegastekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MegastekProtocolDecoder decoder = new MegastekProtocolDecoder(null);
+        var decoder = new MegastekProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "0132$MGV002,869152024261561,,S,310818,133945,V,3814.35442,N,02144.50662,E,00,00,00,99.9,,,44.2,,202,10,,,13,0,0,0,0,90,,,,11,100,Timer;!"));
diff --git a/src/test/java/org/traccar/protocol/MeiligaoFrameDecoderTest.java b/src/test/java/org/traccar/protocol/MeiligaoFrameDecoderTest.java
index 2d09c626b..c0e5f1e97 100644
--- a/src/test/java/org/traccar/protocol/MeiligaoFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MeiligaoFrameDecoderTest.java
@@ -11,7 +11,7 @@ public class MeiligaoFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MeiligaoFrameDecoder decoder = new MeiligaoFrameDecoder();
+        var decoder = new MeiligaoFrameDecoder();
 
         assertNull(
                 decoder.decode(null, null, binary("00")));
diff --git a/src/test/java/org/traccar/protocol/MeiligaoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MeiligaoProtocolDecoderTest.java
index c8851c747..087701be4 100644
--- a/src/test/java/org/traccar/protocol/MeiligaoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MeiligaoProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class MeiligaoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MeiligaoProtocolDecoder decoder = new MeiligaoProtocolDecoder(null);
+        var decoder = new MeiligaoProtocolDecoder(null);
 
         verifyAttribute(decoder, binary(
                 "2424008f142180340967ff99553033333233302e3030302c412c313531362e383039392c4e2c31303435322e383835352c452c302e30302c33332c3038313232302c2c2a33367c302e387c3132337c323130307c303030302c303030302c303230452c303241417c30323038303030353038394530304531434638347c31437c31373243353832437c3042a8060d0a"),
diff --git a/src/test/java/org/traccar/protocol/MeiligaoProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/MeiligaoProtocolEncoderTest.java
index d7aa25be8..9c50d972a 100644
--- a/src/test/java/org/traccar/protocol/MeiligaoProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/MeiligaoProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class MeiligaoProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        MeiligaoProtocolEncoder encoder = new MeiligaoProtocolEncoder(null);
+        var encoder = new MeiligaoProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/MeitrackFrameDecoderTest.java b/src/test/java/org/traccar/protocol/MeitrackFrameDecoderTest.java
index 53749816e..38d0f2f92 100644
--- a/src/test/java/org/traccar/protocol/MeitrackFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MeitrackFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class MeitrackFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MeitrackFrameDecoder decoder = new MeitrackFrameDecoder();
+        var decoder = new MeitrackFrameDecoder();
 
         assertEquals(
                 binary("24244e3132372c3836333037313031333830333036362c4141412c33352c2d312e3330323638302c33362e3835323133352c3135303430393231313032362c412c392c302c302e312c302c352c313635332c343039362c33323634382c3633397c30327c313030347c3930432c303030302c307c307c307c3346467c3330302c2a37430d0a"),
diff --git a/src/test/java/org/traccar/protocol/MeitrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MeitrackProtocolDecoderTest.java
index ea7ea19a2..3f0e5b2d3 100644
--- a/src/test/java/org/traccar/protocol/MeitrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MeitrackProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class MeitrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MeitrackProtocolDecoder decoder = new MeitrackProtocolDecoder(null);
+        var decoder = new MeitrackProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "2424413132332c3836313538353034333230303836322c4343452c010000000100590015000305010609071b0b081c000939010a07000b1700199e011a9505921a0099c4089c5500c93e00405a000602a8b114000343f12e0604d18806270c654a2e000da20537009bb8963904010e0c0d020300aa7a0af69e0100002a35340d0a"));
diff --git a/src/test/java/org/traccar/protocol/MeitrackProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/MeitrackProtocolEncoderTest.java
index 2b5054cee..64fc7e17b 100644
--- a/src/test/java/org/traccar/protocol/MeitrackProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/MeitrackProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class MeitrackProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        MeitrackProtocolEncoder encoder = new MeitrackProtocolEncoder(null);
+        var encoder = new MeitrackProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/MictrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MictrackProtocolDecoderTest.java
index 22f0974ec..3360d968b 100644
--- a/src/test/java/org/traccar/protocol/MictrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MictrackProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MictrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeStandard() throws Exception {
 
-        MictrackProtocolDecoder decoder = new MictrackProtocolDecoder(null);
+        var decoder = new MictrackProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "mode=Success!"));
@@ -39,7 +39,7 @@ public class MictrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeLowAltitude() throws Exception {
 
-        MictrackProtocolDecoder decoder = new MictrackProtocolDecoder(null);
+        var decoder = new MictrackProtocolDecoder(null);
 
         verifyPositions(decoder, text(
                 "861108032038761$062232.00,A,2238.2832,N,11401.7381,E,0.01,309.62,95.0,131117"));
diff --git a/src/test/java/org/traccar/protocol/MilesmateProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MilesmateProtocolDecoderTest.java
index be0209975..69fd82886 100644
--- a/src/test/java/org/traccar/protocol/MilesmateProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MilesmateProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MilesmateProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MilesmateProtocolDecoder decoder = new MilesmateProtocolDecoder(null);
+        var decoder = new MilesmateProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "ApiString={A:861359037373030,B:09.8,C:00.0,D:083506,E:2838.5529N,F:07717.8049E,G:000.00,H:170918,I:G,J:00004100,K:0000000A,L:1234,M:126.86}"));
diff --git a/src/test/java/org/traccar/protocol/MiniFinderProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MiniFinderProtocolDecoderTest.java
index afa930e5b..2d7e4e597 100644
--- a/src/test/java/org/traccar/protocol/MiniFinderProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MiniFinderProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MiniFinderProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MiniFinderProtocolDecoder decoder = new MiniFinderProtocolDecoder(null);
+        var decoder = new MiniFinderProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "!1,867273023933661,V07S.5701.1621,100"));
diff --git a/src/test/java/org/traccar/protocol/MiniFinderProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/MiniFinderProtocolEncoderTest.java
index 5de1346a2..652490b72 100644
--- a/src/test/java/org/traccar/protocol/MiniFinderProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/MiniFinderProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class MiniFinderProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        MiniFinderProtocolEncoder encoder = new MiniFinderProtocolEncoder(null);
+        var encoder = new MiniFinderProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Minifinder2ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Minifinder2ProtocolDecoderTest.java
index 18985a429..407d065f1 100644
--- a/src/test/java/org/traccar/protocol/Minifinder2ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Minifinder2ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Minifinder2ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Minifinder2ProtocolDecoder decoder = new Minifinder2ProtocolDecoder(null);
+        var decoder = new Minifinder2ProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "ab10150076f1320003100133353534363530373130323933303602105a"));
diff --git a/src/test/java/org/traccar/protocol/MobilogixProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MobilogixProtocolDecoderTest.java
index 875a79b42..dc60edb15 100644
--- a/src/test/java/org/traccar/protocol/MobilogixProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MobilogixProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MobilogixProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MobilogixProtocolDecoder decoder = new MobilogixProtocolDecoder(null);
+        var decoder = new MobilogixProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "[2020-12-01 14:00:22,T1,1,V1.1.1,201951132031,,,12345678,724108005415815,359366080211420"));
diff --git a/src/test/java/org/traccar/protocol/MoovboxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MoovboxProtocolDecoderTest.java
index 9b3f6823a..af19b8222 100644
--- a/src/test/java/org/traccar/protocol/MoovboxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MoovboxProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class MoovboxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MoovboxProtocolDecoder decoder = new MoovboxProtocolDecoder(null);
+        var decoder = new MoovboxProtocolDecoder(null);
 
         verifyPositions(decoder, request(HttpMethod.POST, "/",
                 buffer("<gps id=\"911\">\n<coordinates><coordinate>\n<fix>3</fix>\n<time>1597580050</time>\n<latitude>100.726257</latitude>\n<longitude>13.821351</longitude>\n<altitude>9.500000</altitude>\n<climb>0.000000</climb>\n<speed>0.064000</speed>\n<separation>-27.300000</separation>\n<track>0.000000</track>\n<satellites>9</satellites>\n</coordinate></coordinates>\n</gps>")));
diff --git a/src/test/java/org/traccar/protocol/MotorProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MotorProtocolDecoderTest.java
index 60351d497..bd4a97ef4 100644
--- a/src/test/java/org/traccar/protocol/MotorProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MotorProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MotorProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MotorProtocolDecoder decoder = new MotorProtocolDecoder(null);
+        var decoder = new MotorProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "341200007E7E00007E7E020301803955352401161766210162090501010108191625132655351234567F12345F"));
diff --git a/src/test/java/org/traccar/protocol/MtxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MtxProtocolDecoderTest.java
index c4f15d907..28b5d3be0 100644
--- a/src/test/java/org/traccar/protocol/MtxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MtxProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MtxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MtxProtocolDecoder decoder = new MtxProtocolDecoder(null);
+        var decoder = new MtxProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "#MTX,353815011138124,20101226,195550,41.6296399,002.3611174,000,035,000000.00,X,X,1111,000,0,0"));
diff --git a/src/test/java/org/traccar/protocol/MxtProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/MxtProtocolDecoderTest.java
index 834a35011..71ad22a96 100644
--- a/src/test/java/org/traccar/protocol/MxtProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/MxtProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class MxtProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        MxtProtocolDecoder decoder = new MxtProtocolDecoder(null);
+        var decoder = new MxtProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "01a631144c7e0008643ad2f456fb2d49747cfe4cbe0ffd002008800000001021000fd43d3f1403000000ff300000f42760001031102445a81fda04"));
diff --git a/src/test/java/org/traccar/protocol/NavigilProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NavigilProtocolDecoderTest.java
index 2db4afbf2..60d88999e 100644
--- a/src/test/java/org/traccar/protocol/NavigilProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NavigilProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NavigilProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NavigilProtocolDecoder decoder = new NavigilProtocolDecoder(null);
+        var decoder = new NavigilProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "01004300040020000000f60203080200e7cd0f510c0000003b00000000000000"));
diff --git a/src/test/java/org/traccar/protocol/NavisProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NavisProtocolDecoderTest.java
index 33a6bab24..b1282cac7 100644
--- a/src/test/java/org/traccar/protocol/NavisProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NavisProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class NavisProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeNtcb() throws Exception {
 
-        NavisProtocolDecoder decoder = new NavisProtocolDecoder(null);
+        var decoder = new NavisProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "404E5443010000007B000000130044342A3E533A383631373835303035323035303739"));
@@ -41,7 +41,7 @@ public class NavisProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeFlex10() throws Exception {
 
-        NavisProtocolDecoder decoder = new NavisProtocolDecoder(null);
+        var decoder = new NavisProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "404e544301000000c9b5f602130046c52a3e533a383639363936303439373232383235"));
@@ -60,7 +60,7 @@ public class NavisProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeFlex20() throws Exception {
 
-        NavisProtocolDecoder decoder = new NavisProtocolDecoder(null);
+        var decoder = new NavisProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "404e544301000000a9eef602130043fb2a3e533a383639363936303439373337333835"));
diff --git a/src/test/java/org/traccar/protocol/NavisetFrameDecoderTest.java b/src/test/java/org/traccar/protocol/NavisetFrameDecoderTest.java
index 450f77144..e73c173b7 100644
--- a/src/test/java/org/traccar/protocol/NavisetFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NavisetFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class NavisetFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NavisetFrameDecoder decoder = new NavisetFrameDecoder();
+        var decoder = new NavisetFrameDecoder();
 
         verifyFrame(
                 binary("1310e4073836383230343030353935383436362a060716"),
diff --git a/src/test/java/org/traccar/protocol/NavisetProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NavisetProtocolDecoderTest.java
index 09ea10f1f..df4e57e8d 100644
--- a/src/test/java/org/traccar/protocol/NavisetProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NavisetProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NavisetProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NavisetProtocolDecoder decoder = new NavisetProtocolDecoder(null);
+        var decoder = new NavisetProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "1310e4073836383230343030353935383436362a060716"));
diff --git a/src/test/java/org/traccar/protocol/NavtelecomProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NavtelecomProtocolDecoderTest.java
index 444752fb7..b8797daf3 100644
--- a/src/test/java/org/traccar/protocol/NavtelecomProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NavtelecomProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NavtelecomProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NavtelecomProtocolDecoder decoder = new NavtelecomProtocolDecoder(null);
+        var decoder = new NavtelecomProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "404e5443010000000000000013004e452a3e533a383636373935303331343130363839"));
diff --git a/src/test/java/org/traccar/protocol/NeosProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NeosProtocolDecoderTest.java
index a8db30476..b77bdf658 100644
--- a/src/test/java/org/traccar/protocol/NeosProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NeosProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NeosProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NeosProtocolDecoder decoder = new NeosProtocolDecoder(null);
+        var decoder = new NeosProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 ">12345678,1,1,070201,144111,W05829.2613,S3435.2313,,00,034,25,00,126-000,0,3,11111111*2d!\r\n"));
diff --git a/src/test/java/org/traccar/protocol/NetProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NetProtocolDecoderTest.java
index 678e5c6c3..9ab4aea4f 100644
--- a/src/test/java/org/traccar/protocol/NetProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NetProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NetProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NetProtocolDecoder decoder = new NetProtocolDecoder(null);
+        var decoder = new NetProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "@L03686090604017761712271020161807037078881037233751000000010F850036980A4000"));
diff --git a/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java
index e436fb4ed..7707094a5 100644
--- a/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NiotProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NiotProtocolDecoder decoder = new NiotProtocolDecoder(null);
+        var decoder = new NiotProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "585880004c08675430347318522007161451458024b28003f566ee00000328f8000748217ffc500729007a280000000000160001383932353430323130363431363738373136323100050002004e00570d"),
diff --git a/src/test/java/org/traccar/protocol/NoranProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NoranProtocolDecoderTest.java
index 7c02402b1..a30847160 100644
--- a/src/test/java/org/traccar/protocol/NoranProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NoranProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NoranProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NoranProtocolDecoder decoder = new NoranProtocolDecoder(null);
+        var decoder = new NoranProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "0d0a2a4b57000d000080010d0a"));
diff --git a/src/test/java/org/traccar/protocol/NoranProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/NoranProtocolEncoderTest.java
index 4991f1371..76486d024 100644
--- a/src/test/java/org/traccar/protocol/NoranProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/NoranProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class NoranProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        NoranProtocolEncoder encoder = new NoranProtocolEncoder(null);
+        var encoder = new NoranProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/NvsFrameDecoderTest.java b/src/test/java/org/traccar/protocol/NvsFrameDecoderTest.java
index 8a00207eb..76c7cafb9 100644
--- a/src/test/java/org/traccar/protocol/NvsFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NvsFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class NvsFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NvsFrameDecoder decoder = new NvsFrameDecoder();
+        var decoder = new NvsFrameDecoder();
 
         assertEquals(
                 binary("0012333537303430303630303137383234312e38"),
diff --git a/src/test/java/org/traccar/protocol/NvsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NvsProtocolDecoderTest.java
index 9a516e733..ed4008d47 100644
--- a/src/test/java/org/traccar/protocol/NvsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NvsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NvsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NvsProtocolDecoder decoder = new NvsProtocolDecoder(null);
+        var decoder = new NvsProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "0012333537303430303630303137383234312e38"));
diff --git a/src/test/java/org/traccar/protocol/NyitechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NyitechProtocolDecoderTest.java
index 4cafd7612..81de06f89 100644
--- a/src/test/java/org/traccar/protocol/NyitechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/NyitechProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class NyitechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        NyitechProtocolDecoder decoder = new NyitechProtocolDecoder(null);
+        var decoder = new NyitechProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "4040690030313436383230303238373201201c0c12031a308080801c0c12031a3007d67e7e08aceb841002000000ae08000000000000000000000000001e002900f0ffdd002700f2ffe0002700f2ffe1002400f0ffdf002400f3ffe3008a00ffff01010000a9c70d0a"));
diff --git a/src/test/java/org/traccar/protocol/ObdDongleProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ObdDongleProtocolDecoderTest.java
index 4c33d1766..08ebf9995 100644
--- a/src/test/java/org/traccar/protocol/ObdDongleProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ObdDongleProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ObdDongleProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ObdDongleProtocolDecoder decoder = new ObdDongleProtocolDecoder(null);
+        var decoder = new ObdDongleProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "55550003383634383637303232353131303135010009010011023402010201ABAAAA"));
diff --git a/src/test/java/org/traccar/protocol/OigoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OigoProtocolDecoderTest.java
index c79978f88..023158f21 100644
--- a/src/test/java/org/traccar/protocol/OigoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OigoProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class OigoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OigoProtocolDecoder decoder = new OigoProtocolDecoder(null);
+        var decoder = new OigoProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "7e002e000000146310002523830400001bfb000369150f310c0591594d062ac0c0141508011303cd63101604fd00000000"));
diff --git a/src/test/java/org/traccar/protocol/OkoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OkoProtocolDecoderTest.java
index 19fb25135..0df537642 100644
--- a/src/test/java/org/traccar/protocol/OkoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OkoProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class OkoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OkoProtocolDecoder decoder = new OkoProtocolDecoder(null);
+        var decoder = new OkoProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "{861001001012919,090745,A,4944.302,N,02353.366,E,0.0,225,251120,7,0.27,F9,11.3,1}"));
diff --git a/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java b/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java
index ae21de107..c8bbf399a 100644
--- a/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class OmnicommFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OmnicommFrameDecoder decoder = new OmnicommFrameDecoder();
+        var decoder = new OmnicommFrameDecoder();
 
         verifyFrame(
                 binary("c08600004566"),
diff --git a/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java
index 89cb7fadf..76b476fc2 100644
--- a/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class OmnicommProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OmnicommProtocolDecoder decoder = new OmnicommProtocolDecoder(null);
+        var decoder = new OmnicommProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "c080080061a61915340100001dec"));
diff --git a/src/test/java/org/traccar/protocol/OpenGtsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OpenGtsProtocolDecoderTest.java
index a04cf4e72..9fbd79cbf 100644
--- a/src/test/java/org/traccar/protocol/OpenGtsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OpenGtsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class OpenGtsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OpenGtsProtocolDecoder decoder = new OpenGtsProtocolDecoder(null);
+        var decoder = new OpenGtsProtocolDecoder(null);
 
         verifyPosition(decoder, request(
                 "/?id=999000000000003&gprmc=$GPRMC,082202.0,A,5006.747329,N,01416.512315,E,0.0,,131018,1.2,E,A*2E"));
diff --git a/src/test/java/org/traccar/protocol/OrionProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OrionProtocolDecoderTest.java
index bb5f1f135..7368a9d4e 100644
--- a/src/test/java/org/traccar/protocol/OrionProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OrionProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class OrionProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OrionProtocolDecoder decoder = new OrionProtocolDecoder(null);
+        var decoder = new OrionProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "5057000137bf6236235a0331b5c6e402a3b5ecff5102980003000e0c1d172936080e0c1d172936b03b01000882050000008e080000000000008c0300940500000084030085030003067600900113150000000000000000000000000000000000000004a4c8"));
diff --git a/src/test/java/org/traccar/protocol/OsmAndProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OsmAndProtocolDecoderTest.java
index 3c38bd831..a87b45ec4 100644
--- a/src/test/java/org/traccar/protocol/OsmAndProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OsmAndProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class OsmAndProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OsmAndProtocolDecoder decoder = new OsmAndProtocolDecoder(null);
+        var decoder = new OsmAndProtocolDecoder(null);
 
         verifyNotNull(decoder, request(
                 "/?id=123456&timestamp=1377177267&cell=257,02,16,2224&cell=257,02,16,2223,-90&wifi=00-14-22-01-23-45,-80&wifi=00-1C-B3-09-85-15,-70"));
diff --git a/src/test/java/org/traccar/protocol/OutsafeProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OutsafeProtocolDecoderTest.java
index 20b6617ef..1194f7970 100644
--- a/src/test/java/org/traccar/protocol/OutsafeProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OutsafeProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class OutsafeProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OutsafeProtocolDecoder decoder = new OutsafeProtocolDecoder(null);
+        var decoder = new OutsafeProtocolDecoder(null);
 
         verifyPosition(decoder, request(HttpMethod.POST, "/",
                 buffer("{\"device\":\"865303040103725\",\"owner\":\"\",\"data\":{\"cmd\":\"\",\"ms1\":-1,\"ms2\":-1,\"ms3\":0,\"ms4\":0,\"observation\":\"\",\"content\":null},\"time\":1589277568,\"origin\":\"mqgatte\",\"latitude\":19.346855,\"longitude\":-99.29587,\"altitude\":2757,\"heading\":0,\"rssi\":0}")));
diff --git a/src/test/java/org/traccar/protocol/OwnTracksProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OwnTracksProtocolDecoderTest.java
index 248920e21..55b48fb05 100644
--- a/src/test/java/org/traccar/protocol/OwnTracksProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OwnTracksProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class OwnTracksProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        OwnTracksProtocolDecoder decoder = new OwnTracksProtocolDecoder(null);
+        var decoder = new OwnTracksProtocolDecoder(null);
 
         verifyPosition(decoder, request(HttpMethod.POST, "/",
                 buffer("{\"_type\":\"location\",\"acc\":15,\"alt\":440,\"batt\":46,\"conn\":\"w\",\"lat\":46.0681247,\"lon\":11.1512805,\"t\":\"u\",\"tid\":\"5t\",\"tst\":1551874878,\"vac\":2,\"vel\":0}")));
diff --git a/src/test/java/org/traccar/protocol/PacificTrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PacificTrackProtocolDecoderTest.java
index b3293dacf..e170bc98e 100644
--- a/src/test/java/org/traccar/protocol/PacificTrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PacificTrackProtocolDecoderTest.java
@@ -22,7 +22,7 @@ public class PacificTrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PacificTrackProtocolDecoder decoder = new PacificTrackProtocolDecoder(null);
+        var decoder = new PacificTrackProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "fb80c88181b00280883592151012618820b18b1f123340f004c90001300301928a0080008100c00000000091971c0b0417020d074df0ec03c242550b20081d0c009a0601a1855571a30000"));
diff --git a/src/test/java/org/traccar/protocol/PathAwayProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PathAwayProtocolDecoderTest.java
index 4b9739242..e4c9bf449 100644
--- a/src/test/java/org/traccar/protocol/PathAwayProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PathAwayProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class PathAwayProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PathAwayProtocolDecoder decoder = new PathAwayProtocolDecoder(null);
+        var decoder = new PathAwayProtocolDecoder(null);
         
         verifyPosition(decoder, request(
                 "?UserName=name&Password=pass&LOC=$PWS,1,\"Roger\",,,100107,122846,45.317270,-79.642219,45.00,42,1,\"Comment\",0*58"));
diff --git a/src/test/java/org/traccar/protocol/PiligrimProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PiligrimProtocolDecoderTest.java
index 03d0dd7b9..b39060420 100644
--- a/src/test/java/org/traccar/protocol/PiligrimProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PiligrimProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class PiligrimProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PiligrimProtocolDecoder decoder = new PiligrimProtocolDecoder(null);
+        var decoder = new PiligrimProtocolDecoder(null);
         
         verifyPositions(decoder, request(HttpMethod.POST,
                 "/bingps?imei=868204005544720&csq=18&vout=00&vin=4050&dataid=00000000",
diff --git a/src/test/java/org/traccar/protocol/PluginProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PluginProtocolDecoderTest.java
index 0fe3a3a01..05f97e312 100644
--- a/src/test/java/org/traccar/protocol/PluginProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PluginProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class PluginProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PluginProtocolDecoder decoder = new PluginProtocolDecoder(null);
+        var decoder = new PluginProtocolDecoder(null);
 
         verifyAttribute(decoder, text(
                 "$$STATUS,60925,20190829123115,28.254151,-25.860605,0.0,0,0,-1,2,0.000,13699,0.00,0,0,28.4,23.4,0,0,0,0,0,0,0,0,0"),
diff --git a/src/test/java/org/traccar/protocol/PolteProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PolteProtocolDecoderTest.java
index 61ee6771f..592267b9e 100644
--- a/src/test/java/org/traccar/protocol/PolteProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PolteProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class PolteProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PolteProtocolDecoder decoder = new PolteProtocolDecoder(null);
+        var decoder = new PolteProtocolDecoder(null);
 
         verifyPosition(decoder, request(HttpMethod.POST, "/",
                 buffer("{\"_id\":\"5f75cf7b02c5023bfc0beaf7\",\"location\":{\"LocationMetrics\":{\"EnvironmentDensity\":1,\"LocationType\":2,\"carrierInfo\":{\"aux\":{\"PLMN\":\"310410\",\"country\":\"United States\",\"name\":\"ATT Wireless Inc\"},\"crs\":{\"PLMN\":\"310410\",\"country\":\"United States\",\"name\":\"ATT Wireless Inc\"}},\"hdop\":1850000,\"leversion\":\"2.2.18-20200729T140651\",\"towercount\":1},\"altitude\":0.0011297669261693954,\"confidence\":783.7972188868215,\"detected_at\":1601556342,\"latitude\":29.77368956725161,\"longitude\":-98.26530342694024,\"towerDB\":\"default\",\"ueToken\":\"ALT12503DE04336CB2E3A4A113FCDE05DF05A6F\",\"uid\":\"WZuDMv5Je\"},\"report\":{\"battery\":{\"count\":555,\"level\":100,\"voltage\":3.52},\"event\":3,\"time\":\"2020-10-01T12:45:48.207Z\"},\"time\":\"2020-10-01T12:45:42Z\",\"ueToken\":\"ALT12503DE04336CB2E3A4A113FCDE05DF05A6F\",\"uid\":\"WZuDMv5Je\"}")));
diff --git a/src/test/java/org/traccar/protocol/PortmanProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PortmanProtocolDecoderTest.java
index 0b5dcf0cf..5cc98d7e4 100644
--- a/src/test/java/org/traccar/protocol/PortmanProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PortmanProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class PortmanProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PortmanProtocolDecoder decoder = new PortmanProtocolDecoder(null);
+        var decoder = new PortmanProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$PTMLA,355854050074633,A,200612153351,N2543.0681W10009.2974,0,190,NA,C9830000,NA,108,8,2.66,16,GNA"));
diff --git a/src/test/java/org/traccar/protocol/PortmanProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/PortmanProtocolEncoderTest.java
index 281229cf4..61f6c4a4e 100644
--- a/src/test/java/org/traccar/protocol/PortmanProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/PortmanProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class PortmanProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeEngineStop() {
 
-        PortmanProtocolEncoder encoder = new PortmanProtocolEncoder(null);
+        var encoder = new PortmanProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -24,7 +24,7 @@ public class PortmanProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeEngineResume() {
 
-        PortmanProtocolEncoder encoder = new PortmanProtocolEncoder(null);
+        var encoder = new PortmanProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/PretraceProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PretraceProtocolDecoderTest.java
index 61a057dd7..8a4f257f5 100644
--- a/src/test/java/org/traccar/protocol/PretraceProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PretraceProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class PretraceProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PretraceProtocolDecoder decoder = new PretraceProtocolDecoder(null);
+        var decoder = new PretraceProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "(867967021915915U1110A1701201500102238.1700N11401.9324E000264000000000009001790000000,&P11A4,F1050^47"));
diff --git a/src/test/java/org/traccar/protocol/PretraceProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/PretraceProtocolEncoderTest.java
index aa08ecea2..403c89e9e 100644
--- a/src/test/java/org/traccar/protocol/PretraceProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/PretraceProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class PretraceProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionPeriodic() throws Exception {
 
-        PretraceProtocolEncoder encoder = new PretraceProtocolEncoder(null);
+        var encoder = new PretraceProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -25,7 +25,7 @@ public class PretraceProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeCustom() throws Exception {
 
-        PretraceProtocolEncoder encoder = new PretraceProtocolEncoder(null);
+        var encoder = new PretraceProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/PricolProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PricolProtocolDecoderTest.java
index dbc1665fb..a9373e22e 100644
--- a/src/test/java/org/traccar/protocol/PricolProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PricolProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class PricolProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PricolProtocolDecoder decoder = new PricolProtocolDecoder(null);
+        var decoder = new PricolProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "3c5052493030303350020000011402110b222b0455152e4e001de819ca450000000000000003820249000000000000000000000000000000000000000040003e"));
diff --git a/src/test/java/org/traccar/protocol/ProgressProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ProgressProtocolDecoderTest.java
index 5f6f564b1..6e59f2876 100644
--- a/src/test/java/org/traccar/protocol/ProgressProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ProgressProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ProgressProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ProgressProtocolDecoder decoder = new ProgressProtocolDecoder(null);
+        var decoder = new ProgressProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "020037000100000003003131310f003335343836383035313339303036320f00323530303136333832383531353535010000000100000000000000e6bb97b6"));
diff --git a/src/test/java/org/traccar/protocol/PstFrameDecoderTest.java b/src/test/java/org/traccar/protocol/PstFrameDecoderTest.java
index 790c2c1d9..96993b97b 100644
--- a/src/test/java/org/traccar/protocol/PstFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PstFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class PstFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PstFrameDecoder decoder = new PstFrameDecoder();
+        var decoder = new PstFrameDecoder();
 
         verifyFrame(
                 binary("2fafac5a050f0000e0022fafac5a01891e882bbfdd06dd577c9865620a0efe524c419f940b6710f5ba0c86e5868ffc97c77eaaf166a31dba63f9894e98a91b9486c94e79ce537359737a5e9385431a590eb20b5115a2b7939e4e66ae"),
diff --git a/src/test/java/org/traccar/protocol/PstProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PstProtocolDecoderTest.java
index d0276eb69..445c333c1 100644
--- a/src/test/java/org/traccar/protocol/PstProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/PstProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class PstProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        PstProtocolDecoder decoder = new PstProtocolDecoder(null);
+        var decoder = new PstProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "2faf97de06000024db0551380cbb08070b040000015a0c09b50177e5100a1822da0d010d0f0451380628101451380cc384b800488a84036901b202d3010001061103ffff00150203523687"));
diff --git a/src/test/java/org/traccar/protocol/PstProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/PstProtocolEncoderTest.java
index ddf6d460c..abcfa29ec 100644
--- a/src/test/java/org/traccar/protocol/PstProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/PstProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class PstProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeEngineStop() {
 
-        PstProtocolEncoder encoder = new PstProtocolEncoder(null);
+        var encoder = new PstProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -22,7 +22,7 @@ public class PstProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeEngineResume() {
 
-        PstProtocolEncoder encoder = new PstProtocolEncoder(null);
+        var encoder = new PstProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Pt215ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Pt215ProtocolDecoderTest.java
index 59574aeee..24cfd316a 100644
--- a/src/test/java/org/traccar/protocol/Pt215ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Pt215ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Pt215ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Pt215ProtocolDecoder decoder = new Pt215ProtocolDecoder(null);
+        var decoder = new Pt215ProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "58580d010359339075435451010d0a"));
diff --git a/src/test/java/org/traccar/protocol/Pt3000ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Pt3000ProtocolDecoderTest.java
index e7d87d583..44f57601c 100644
--- a/src/test/java/org/traccar/protocol/Pt3000ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Pt3000ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Pt3000ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Pt3000ProtocolDecoder decoder = new Pt3000ProtocolDecoder(null);
+        var decoder = new Pt3000ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "%356939010012099,$GPRMC,124945.752,A,4436.6245,N,01054.4634,E,0.11,358.52,060408,,,A,+393334347445,N028d"),
diff --git a/src/test/java/org/traccar/protocol/Pt502FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Pt502FrameDecoderTest.java
index 487a8500c..2559ad145 100644
--- a/src/test/java/org/traccar/protocol/Pt502FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Pt502FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class Pt502FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Pt502FrameDecoder decoder = new Pt502FrameDecoder();
+        var decoder = new Pt502FrameDecoder();
 
         verifyFrame(
                 binary("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"),
diff --git a/src/test/java/org/traccar/protocol/Pt502ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Pt502ProtocolDecoderTest.java
index a7c8be21f..a68471c95 100644
--- a/src/test/java/org/traccar/protocol/Pt502ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Pt502ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Pt502ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Pt502ProtocolDecoder decoder = new Pt502ProtocolDecoder(null);
+        var decoder = new Pt502ProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "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"));
diff --git a/src/test/java/org/traccar/protocol/Pt502ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/Pt502ProtocolEncoderTest.java
index 9e4a8a9a0..62b83c61c 100644
--- a/src/test/java/org/traccar/protocol/Pt502ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/Pt502ProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class Pt502ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeCustom() throws Exception {
 
-        Pt502ProtocolEncoder encoder = new Pt502ProtocolEncoder(null);
+        var encoder = new Pt502ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -25,7 +25,7 @@ public class Pt502ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeOutputControl() throws Exception {
 
-        Pt502ProtocolEncoder encoder = new Pt502ProtocolEncoder(null);
+        var encoder = new Pt502ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -40,7 +40,7 @@ public class Pt502ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeTimezone() throws Exception {
 
-        Pt502ProtocolEncoder encoder = new Pt502ProtocolEncoder(null);
+        var encoder = new Pt502ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -55,7 +55,7 @@ public class Pt502ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeAlarmSpeed() throws Exception {
 
-        Pt502ProtocolEncoder encoder = new Pt502ProtocolEncoder(null);
+        var encoder = new Pt502ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Pt60ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Pt60ProtocolDecoderTest.java
index 1ba8d25c7..ad987240c 100644
--- a/src/test/java/org/traccar/protocol/Pt60ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Pt60ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Pt60ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Pt60ProtocolDecoder decoder = new Pt60ProtocolDecoder(null);
+        var decoder = new Pt60ProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "@B#@|01|006|864891030184954|9425010450971470|20181213093127|2|1|"));
diff --git a/src/test/java/org/traccar/protocol/RaceDynamicsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RaceDynamicsProtocolDecoderTest.java
index 318cbdb51..22902079a 100644
--- a/src/test/java/org/traccar/protocol/RaceDynamicsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RaceDynamicsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RaceDynamicsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RaceDynamicsProtocolDecoder decoder = new RaceDynamicsProtocolDecoder(null);
+        var decoder = new RaceDynamicsProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "$GPRMC,12,260819,100708,862549040661129,"));
diff --git a/src/test/java/org/traccar/protocol/RadarProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RadarProtocolDecoderTest.java
index 7dfdd7c21..be1e4de0b 100644
--- a/src/test/java/org/traccar/protocol/RadarProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RadarProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RadarProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RadarProtocolDecoder decoder = new RadarProtocolDecoder(null);
+        var decoder = new RadarProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "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"));
diff --git a/src/test/java/org/traccar/protocol/RaveonProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RaveonProtocolDecoderTest.java
index 165027351..1b111ee5d 100644
--- a/src/test/java/org/traccar/protocol/RaveonProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RaveonProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RaveonProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RaveonProtocolDecoder decoder = new RaveonProtocolDecoder(null);
+        var decoder = new RaveonProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$PRAVE,0001,0001,3308.9051,-11713.1164,195348,1,10,168,31,13.3,3,-83,0,0,,1003.4*66"));
diff --git a/src/test/java/org/traccar/protocol/RecodaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RecodaProtocolDecoderTest.java
index 668879787..803cfb48a 100644
--- a/src/test/java/org/traccar/protocol/RecodaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RecodaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RecodaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RecodaProtocolDecoder decoder = new RecodaProtocolDecoder(null);
+        var decoder = new RecodaProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "01100020480000000300000030393535360000000000000001000000303030303000000000000000000000000000000000000000006100004531313037353500ffffffffffff0000"));
diff --git a/src/test/java/org/traccar/protocol/RetranslatorProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RetranslatorProtocolDecoderTest.java
index 779e21823..4af77cfbf 100644
--- a/src/test/java/org/traccar/protocol/RetranslatorProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RetranslatorProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RetranslatorProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RetranslatorProtocolDecoder decoder = new RetranslatorProtocolDecoder(null);
+        var decoder = new RetranslatorProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "74000000333533393736303133343435343835004B0BFB70000000030BBB000000270102706F73696E666F00A027AFDF5D9848403AC7253383DD4B400000000000805A40003601460B0BBB0000001200047077725F657874002B8716D9CE973B400BBB00000011010361766C5F696E707574730000000001"));
diff --git a/src/test/java/org/traccar/protocol/RitiProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RitiProtocolDecoderTest.java
index 73d07efd6..e0890a5fc 100644
--- a/src/test/java/org/traccar/protocol/RitiProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RitiProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RitiProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RitiProtocolDecoder decoder = new RitiProtocolDecoder(null);
+        var decoder = new RitiProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "3b28a2a2056315316d4000008100000000000000005f710000244750524d432c3138303535332e3030302c412c353532342e383437312c4e2c30313133342e313837382c452c302e30302c2c3032313231332c2c2c412a37340d0a00000000000000000000000000000000040404"));
diff --git a/src/test/java/org/traccar/protocol/RoboTrackFrameDecoderTest.java b/src/test/java/org/traccar/protocol/RoboTrackFrameDecoderTest.java
index 2e3853f86..eaf83458d 100644
--- a/src/test/java/org/traccar/protocol/RoboTrackFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RoboTrackFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class RoboTrackFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RoboTrackFrameDecoder decoder = new RoboTrackFrameDecoder();
+        var decoder = new RoboTrackFrameDecoder();
 
         verifyFrame(
                 binary("00524f424f545241434b00000000000000383638323034303032323533343136313233343536373839303132312e313261000000312e353761000000312e3030000000003e"),
diff --git a/src/test/java/org/traccar/protocol/RoboTrackProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RoboTrackProtocolDecoderTest.java
index 0c969ab68..40218efdb 100644
--- a/src/test/java/org/traccar/protocol/RoboTrackProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RoboTrackProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RoboTrackProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RoboTrackProtocolDecoder decoder = new RoboTrackProtocolDecoder(null);
+        var decoder = new RoboTrackProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "00524f424f545241434b00000000000000383638323034303032323533343136313233343536373839303132312e313261000000312e353761000000312e3030000000003e"));
diff --git a/src/test/java/org/traccar/protocol/RstProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RstProtocolDecoderTest.java
index 0210a353f..71313e449 100644
--- a/src/test/java/org/traccar/protocol/RstProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RstProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class RstProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RstProtocolDecoder decoder = new RstProtocolDecoder(null);
+        var decoder = new RstProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "RST;A;RST-MINIv2;V7.04;008051261;124;29;04-04-2021 17:27:26;04-04-2021 17:27:26;-1.280811;-47.931755;7353;79;1;14;7315;26;10;0;1855;0;0;0;0;5;5;-1.280821;-47.931747;04-04-2021 17:52:23;6;-1.280863;-47.931770;04-04-2021 18:12:19;5;-1.280844;-47.931763;04-04-2021 17:28:02;5;-1.280900;-47.931770;04-04-2021 19:04:27;4;-1.280843;-47.931747;04-04-2021 18:21:45;04-04-2021 19:29:59;04-04-2021 19:29:59;-1.280770;-47.931595;1;15;0;0;0;0;FIM;"));
diff --git a/src/test/java/org/traccar/protocol/RuptelaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/RuptelaProtocolDecoderTest.java
index 4c7b09bcc..5f3e190a5 100644
--- a/src/test/java/org/traccar/protocol/RuptelaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/RuptelaProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class RuptelaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        RuptelaProtocolDecoder decoder = new RuptelaProtocolDecoder(null);
+        var decoder = new RuptelaProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "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"));
diff --git a/src/test/java/org/traccar/protocol/RuptelaProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/RuptelaProtocolEncoderTest.java
index 613a89b96..409cd4da5 100644
--- a/src/test/java/org/traccar/protocol/RuptelaProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/RuptelaProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class RuptelaProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        RuptelaProtocolEncoder encoder = new RuptelaProtocolEncoder(null);
+        var encoder = new RuptelaProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/S168ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/S168ProtocolDecoderTest.java
index 8a4a42b54..d4918e121 100644
--- a/src/test/java/org/traccar/protocol/S168ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/S168ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class S168ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        S168ProtocolDecoder decoder = new S168ProtocolDecoder(null);
+        var decoder = new S168ProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "S168#358511139046180#00c9#0009#SYNC:0000"));
diff --git a/src/test/java/org/traccar/protocol/SabertekFrameDecoderTest.java b/src/test/java/org/traccar/protocol/SabertekFrameDecoderTest.java
index 7a42a71a0..ced40acd0 100644
--- a/src/test/java/org/traccar/protocol/SabertekFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SabertekFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class SabertekFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SabertekFrameDecoder decoder = new SabertekFrameDecoder();
+        var decoder = new SabertekFrameDecoder();
 
         assertEquals(
                 binary("2c3939393939393939392c332c34302c36352c372c302c312c2d32352e3738313636362c32382e3235343730322c34302c3236382c313431342c382c35353632332c"),
diff --git a/src/test/java/org/traccar/protocol/SabertekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SabertekProtocolDecoderTest.java
index 20b02841e..148695dcd 100644
--- a/src/test/java/org/traccar/protocol/SabertekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SabertekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SabertekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SabertekProtocolDecoder decoder = new SabertekProtocolDecoder(null);
+        var decoder = new SabertekProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 ",999999999,3,40,65,7,0,1,-25.781666,28.254702,40,268,1414,8,55623,"));
diff --git a/src/test/java/org/traccar/protocol/SanavProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SanavProtocolDecoderTest.java
index 36fd7ecba..223f4f12f 100644
--- a/src/test/java/org/traccar/protocol/SanavProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SanavProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SanavProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SanavProtocolDecoder decoder = new SanavProtocolDecoder(null);
+        var decoder = new SanavProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "imei=353197040023431&rmc=$GPRMC,015258.000,A,2457.8101,N,12125.5393,E,0.00,0.00,210111,,*18,AUTO,0300,2.1,10,466,97,34E7,3391,74,466,9 7,3F2D,3391,65,466,97,39C9,3391,79,466,97,3F2C,3391,81,466,97,0000,00 00,83,466,97,0000,0000,85,466,97,0000,0000,85,1,24"));
diff --git a/src/test/java/org/traccar/protocol/SanulProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SanulProtocolDecoderTest.java
index 882a63fe6..23bd6d80b 100644
--- a/src/test/java/org/traccar/protocol/SanulProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SanulProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SanulProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SanulProtocolDecoder decoder = new SanulProtocolDecoder(null);
+        var decoder = new SanulProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "aa007020000100000000000033353333353830313831353431313700000000000000000000"));
diff --git a/src/test/java/org/traccar/protocol/SatsolProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SatsolProtocolDecoderTest.java
index 45e919bbb..dcd51063c 100644
--- a/src/test/java/org/traccar/protocol/SatsolProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SatsolProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SatsolProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SatsolProtocolDecoder decoder = new SatsolProtocolDecoder(null);
+        var decoder = new SatsolProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "f0e1bf4cb2ec1600e1005f8791e901000000c959515c2cc24a03aeadcd010e01a800250001090201878e92e901000000cb59515c2dc24a03b8adcd018801a8001d0001080201325993e901000000cc59515c2fc24a03bfadcd01ab01a800220001080201dd8194e901000000cd59515c32c24a03ceadcd015801a8002500010802015f3795e905000900ce59515c32c24a03d8adcd01f600a700250001091401000000000000000000863496e901000000cf59515c34c24a03ddadcd019b00a700280001090201714197e904000600cf59515c34c24a03ddadcd019b00a7002800010a1401becd07001901"));
diff --git a/src/test/java/org/traccar/protocol/SigfoxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SigfoxProtocolDecoderTest.java
index f31773e0c..7e2812714 100644
--- a/src/test/java/org/traccar/protocol/SigfoxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SigfoxProtocolDecoderTest.java
@@ -10,7 +10,7 @@ public class SigfoxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SigfoxProtocolDecoder decoder = new SigfoxProtocolDecoder(null);
+        var decoder = new SigfoxProtocolDecoder(null);
 
         verifyPosition(decoder, request(HttpMethod.POST, "/",
                 buffer("{ \"device\":\"BFE47E\", \"time\":1590497040, \"data\":\"10297eb01e621122070000be\", \"seqNumber\":8, \"deviceTypeId\":\"5ecb8bfac563d620cc9e6798\", \"ack\":false }")));
diff --git a/src/test/java/org/traccar/protocol/SiwiProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SiwiProtocolDecoderTest.java
index 79c7d888b..d264895fc 100644
--- a/src/test/java/org/traccar/protocol/SiwiProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SiwiProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SiwiProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SiwiProtocolDecoder decoder = new SiwiProtocolDecoder(null);
+        var decoder = new SiwiProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$SIWI,868957040831465,44,E,,,1,1,1,16.79,0,0,5,A,17.204447,78.355087,534,44,140955,180221,11,1,15,5,4322,0,0,0,0,0,0,1.0,1.6CPTASF_6.60,0!"));
diff --git a/src/test/java/org/traccar/protocol/SkypatrolProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SkypatrolProtocolDecoderTest.java
index bc2dac7e9..a248056f8 100644
--- a/src/test/java/org/traccar/protocol/SkypatrolProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SkypatrolProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SkypatrolProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SkypatrolProtocolDecoder decoder = new SkypatrolProtocolDecoder(null);
+        var decoder = new SkypatrolProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "000a02171101303131373232303031333537393833060200000006202020202020202020312020202020202030313137323230303133353739383320"));
diff --git a/src/test/java/org/traccar/protocol/SmartSoleProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SmartSoleProtocolDecoderTest.java
index 183af899b..740d1b62c 100644
--- a/src/test/java/org/traccar/protocol/SmartSoleProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SmartSoleProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SmartSoleProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SmartSoleProtocolDecoder decoder = new SmartSoleProtocolDecoder(null);
+        var decoder = new SmartSoleProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "#GTXRP=359366080000385,8,180514200051,34.041981,-118.255806,60,1,1,7,1.80,180514200051,4.16,11"));
diff --git a/src/test/java/org/traccar/protocol/SmokeyProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SmokeyProtocolDecoderTest.java
index c2d74b433..d806fd790 100644
--- a/src/test/java/org/traccar/protocol/SmokeyProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SmokeyProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SmokeyProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SmokeyProtocolDecoder decoder = new SmokeyProtocolDecoder(null);
+        var decoder = new SmokeyProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "534d0300865101019383025f0403000000000b86250200000c0000028f000102f8cc0900127f08"));
diff --git a/src/test/java/org/traccar/protocol/SolarPoweredProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SolarPoweredProtocolDecoderTest.java
index 4e08ce7a5..7202aaefb 100644
--- a/src/test/java/org/traccar/protocol/SolarPoweredProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SolarPoweredProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class SolarPoweredProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SolarPoweredProtocolDecoder decoder = new SolarPoweredProtocolDecoder(null);
+        var decoder = new SolarPoweredProtocolDecoder(null);
 
         verifyAttribute(decoder, binary(
                 "7e850256553309440011003e81131914030600332301a61ed709209ff40014b89082020f0283100000f908000000440000003d1f19021784114161726f6e34475630312d323030333031057e"),
diff --git a/src/test/java/org/traccar/protocol/SpotProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SpotProtocolDecoderTest.java
index dd63c07ac..7f8e2b58f 100644
--- a/src/test/java/org/traccar/protocol/SpotProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SpotProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class SpotProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SpotProtocolDecoder decoder = new SpotProtocolDecoder(null);
+        var decoder = new SpotProtocolDecoder(null);
 
         verifyPositions(decoder, request(HttpMethod.POST, "/", buffer(
                 "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n",
diff --git a/src/test/java/org/traccar/protocol/StarLinkProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/StarLinkProtocolDecoderTest.java
index b8c1291c3..1710ccbb9 100644
--- a/src/test/java/org/traccar/protocol/StarLinkProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/StarLinkProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class StarLinkProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        StarLinkProtocolDecoder decoder = new StarLinkProtocolDecoder(null);
+        var decoder = new StarLinkProtocolDecoder(null);
 
         decoder.setFormat("#IMEI#,#EDT#,#PDT#,#LAT#,#LONG#,#SPD#,#IGN#,#ODO#,#DUR#,#TDUR#,#LAC#,#CID#,#VIN#,#VBAT#,#EID#,#EDSC#,#DRV#,#SATU#,#CSS#,#OUT1#,#OUT2#,#CFL#");
 
diff --git a/src/test/java/org/traccar/protocol/StarcomProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/StarcomProtocolDecoderTest.java
index 88be86054..851d4eac6 100644
--- a/src/test/java/org/traccar/protocol/StarcomProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/StarcomProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class StarcomProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        StarcomProtocolDecoder decoder = new StarcomProtocolDecoder(null);
+        var decoder = new StarcomProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "|unit=416307,unittype=5,address=186.167.243.28,kind=14,software_version=14.02.18,hardware_type=17,gps_type=6,longitude=-67.85891,latitude=10.21988,datetime_actual=2019/05/07 21:59:38,network=TCPIP.1|\r\n"));
diff --git a/src/test/java/org/traccar/protocol/StartekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/StartekProtocolDecoderTest.java
index 98e6863e2..c9a331904 100644
--- a/src/test/java/org/traccar/protocol/StartekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/StartekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class StartekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        StartekProtocolDecoder decoder = new StartekProtocolDecoder(null);
+        var decoder = new StartekProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "&&A147,021104023195429,000,0,,180106093046,A,22.646430,114.065730,8,0.9,54,86,76,326781,460|0|27B3|0EA7,27,0000000F,02,01,04E2|018C|01C8|0000,1,0104B0,01013D|02813546"));
diff --git a/src/test/java/org/traccar/protocol/Stl060ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Stl060ProtocolDecoderTest.java
index e2be2028e..e13f74604 100644
--- a/src/test/java/org/traccar/protocol/Stl060ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Stl060ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Stl060ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Stl060ProtocolDecoder decoder = new Stl060ProtocolDecoder(null);
+        var decoder = new Stl060ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$1,357804048043099,D001,AP29AW0963,23/02/14,14:06:54,17248488N,078342226E,0.08,193.12,1,1,1,1,1,A"),
diff --git a/src/test/java/org/traccar/protocol/SuntechFrameDecoderTest.java b/src/test/java/org/traccar/protocol/SuntechFrameDecoderTest.java
index 1c84b5c89..99cbeac2f 100644
--- a/src/test/java/org/traccar/protocol/SuntechFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SuntechFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class SuntechFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SuntechFrameDecoder decoder = new SuntechFrameDecoder();
+        var decoder = new SuntechFrameDecoder();
 
         verifyFrame(
                 binary("81004e05200013383fffff3401000301130a0512080400000000000000000000000047f9d5846a06810072225214010100020300a8002604c1000004b000000470000025a100000000000025c4000000a6"),
diff --git a/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
index 847f6707d..6e8bd85b3 100644
--- a/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeTemperature() throws Exception {
 
-        SuntechProtocolDecoder decoder = new SuntechProtocolDecoder(null);
+        var decoder = new SuntechProtocolDecoder(null);
 
         decoder.setHbm(true);
         decoder.setIncludeAdc(true);
@@ -38,7 +38,7 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeRpm() throws Exception {
 
-        SuntechProtocolDecoder decoder = new SuntechProtocolDecoder(null);
+        var decoder = new SuntechProtocolDecoder(null);
 
         decoder.setHbm(true);
         decoder.setIncludeRpm(true);
@@ -52,7 +52,7 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeHours() throws Exception {
 
-        SuntechProtocolDecoder decoder = new SuntechProtocolDecoder(null);
+        var decoder = new SuntechProtocolDecoder(null);
 
         decoder.setHbm(true);
 
@@ -65,7 +65,7 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeDriver() throws Exception {
 
-        SuntechProtocolDecoder decoder = new SuntechProtocolDecoder(null);
+        var decoder = new SuntechProtocolDecoder(null);
 
         verifyAttribute(decoder, buffer(
                 "ST300HTE;511050566;45;308;20200909;13:38:38;0;12.50;001354;0.0;1;0;1;1;0;-27.636632;-052.277933;-27.636675;-052.277947;000.000;002.296;0;00000000000000"),
@@ -80,7 +80,7 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SuntechProtocolDecoder decoder = new SuntechProtocolDecoder(null);
+        var decoder = new SuntechProtocolDecoder(null);
 
         verifyAttribute(decoder, buffer(
                 "STT;0560001616;BFFFFF;56;1.0.15;1;20200219;20:52:25;00008D6C;334;20;0925;24;+20.741764;-103.430364;0.00;0.00;19;1;00000001;00000000;2;1;1765;00008003;0.0;12.14;136598"),
diff --git a/src/test/java/org/traccar/protocol/SupermateProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SupermateProtocolDecoderTest.java
index 2a7ab2dee..29ec670aa 100755
--- a/src/test/java/org/traccar/protocol/SupermateProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SupermateProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SupermateProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SupermateProtocolDecoder decoder = new SupermateProtocolDecoder(null);
+        var decoder = new SupermateProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "2:359672050130411:1:*,00000000,XT,A,10031b,140b28,80ad4c72,81ba2d2c,06ab,238c,020204010000,12,0,0000,0003e6"));
diff --git a/src/test/java/org/traccar/protocol/SviasProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SviasProtocolDecoderTest.java
index f7b15ca2e..8a3a74753 100644
--- a/src/test/java/org/traccar/protocol/SviasProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SviasProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SviasProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SviasProtocolDecoder decoder = new SviasProtocolDecoder(null);
+        var decoder = new SviasProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "[7061,3041,57,20324277,710,40618,141342,-93155840,-371754060,0,20469,0,16,1,0,0,11323,100,9,,32,4695"));
diff --git a/src/test/java/org/traccar/protocol/SwiftechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SwiftechProtocolDecoderTest.java
index 88006606e..10b033985 100644
--- a/src/test/java/org/traccar/protocol/SwiftechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SwiftechProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class SwiftechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        SwiftechProtocolDecoder decoder = new SwiftechProtocolDecoder(null);
+        var decoder = new SwiftechProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "@@861551041946971,,0,102040,1023.9670,N,07606.8160,E,2.26,151220,A,0127,1,1,03962,00000,#"));
diff --git a/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java
index 25fef58f1..ba981598d 100644
--- a/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class T55ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        T55ProtocolDecoder decoder = new T55ProtocolDecoder(null);
+        var decoder = new T55ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "QZE,868994033976700,35,28062020,113553,22.13673,114.57263,0,22,A,0"));
@@ -121,7 +121,7 @@ public class T55ProtocolDecoderTest extends ProtocolTest {
 
         // Maxon devices can send NMEA before identification
 
-        T55ProtocolDecoder decoder = new T55ProtocolDecoder(null);
+        var decoder = new T55ProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "$GPRMC,012006,A,4828.10,N,1353.52,E,0.00,0.00,180915,020.3,E*42"));
diff --git a/src/test/java/org/traccar/protocol/T57FrameDecoderTest.java b/src/test/java/org/traccar/protocol/T57FrameDecoderTest.java
index f74d3c350..dd5929b04 100644
--- a/src/test/java/org/traccar/protocol/T57FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/T57FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class T57FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        T57FrameDecoder decoder = new T57FrameDecoder();
+        var decoder = new T57FrameDecoder();
 
         verifyFrame(
                 binary("2a5435372346312354353731313137303031233330313131372330303038343323323233342e31333033234e2330383832362e313731342345232b302e3234322c2b302e3130392c2d302e37383923302e30303023362e323030303023413223342e3223"),
diff --git a/src/test/java/org/traccar/protocol/T57ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/T57ProtocolDecoderTest.java
index c457b4602..376aab1da 100644
--- a/src/test/java/org/traccar/protocol/T57ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/T57ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class T57ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        T57ProtocolDecoder decoder = new T57ProtocolDecoder(null);
+        var decoder = new T57ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "*T57#F1#T571117001#301117#000843#2234.1303#N#08826.1714#E#+0.242,+0.109,-0.789#0.000#6.20000#A2#4.2#"));
diff --git a/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java
index 9e443309a..9fb57f400 100644
--- a/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class T800xProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        T800xProtocolDecoder decoder = new T800xProtocolDecoder(null);
+        var decoder = new T800xProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "252510003100180865284041080544201221191023000003ffff9702eff820014700000000912a6ac26dff09c200000000"));
diff --git a/src/test/java/org/traccar/protocol/T800xProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/T800xProtocolEncoderTest.java
index 9a628cdb6..1d17ee5d5 100644
--- a/src/test/java/org/traccar/protocol/T800xProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/T800xProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class T800xProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        T800xProtocolEncoder encoder = new T800xProtocolEncoder(null);
+        var encoder = new T800xProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/TaipProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TaipProtocolDecoderTest.java
index 6682a4d99..56af8830a 100644
--- a/src/test/java/org/traccar/protocol/TaipProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TaipProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class TaipProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TaipProtocolDecoder decoder = new TaipProtocolDecoder(null);
+        var decoder = new TaipProtocolDecoder(null);
 
         verifyAttribute(decoder, text(
                 ">RUS00,111220124402-3138067-06417623000012200FF,000000000000000000000000000,0000000111,15640422,00000,+25.5,00000,51;ID=CST3G0443;#IP1:089F;*34<"),
diff --git a/src/test/java/org/traccar/protocol/TechTltProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TechTltProtocolDecoderTest.java
index 767f175fe..c5de8e62a 100644
--- a/src/test/java/org/traccar/protocol/TechTltProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TechTltProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TechTltProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TechTltProtocolDecoder decoder = new TechTltProtocolDecoder(null);
+        var decoder = new TechTltProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "002422269*POS=Y,16:21:20,25/11/09,3809.8063N,01444.7438E,4.17,117.23,0.4,09,40076,56341\r\n"),
diff --git a/src/test/java/org/traccar/protocol/TekFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TekFrameDecoderTest.java
index 0446670d8..f315e6432 100644
--- a/src/test/java/org/traccar/protocol/TekFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TekFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class TekFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TekFrameDecoder decoder = new TekFrameDecoder();
+        var decoder = new TekFrameDecoder();
 
         verifyFrame(
                 binary("020315048715E70861074028023219026200400A0340002C007F0009000000000000000000402842064028420641284206402844064128440640284406402844064028440641284406402844060010010C04052B000253000000000001060A0000000000000228330000FF0000FF360014B394"),
diff --git a/src/test/java/org/traccar/protocol/TekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TekProtocolDecoderTest.java
index f67ae9c3f..a371ffe6b 100644
--- a/src/test/java/org/traccar/protocol/TekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TekProtocolDecoder decoder = new TekProtocolDecoder(null);
+        var decoder = new TekProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "0501E304E00E76086107502100455111492C33332C3137303935342E302C353235352E393933344E2C30303833322E34333935572C322E312C3133342E382C322C302E30302C302E302C302E302C3234303931352C30362C3C45"));
diff --git a/src/test/java/org/traccar/protocol/TelemaxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TelemaxProtocolDecoderTest.java
index e330600e5..8c3650f4e 100644
--- a/src/test/java/org/traccar/protocol/TelemaxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TelemaxProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TelemaxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TelemaxProtocolDecoder decoder = new TelemaxProtocolDecoder(null);
+        var decoder = new TelemaxProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "%067374070128"));
diff --git a/src/test/java/org/traccar/protocol/TelicFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TelicFrameDecoderTest.java
index 5fcbcbb57..125b61d48 100644
--- a/src/test/java/org/traccar/protocol/TelicFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TelicFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class TelicFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TelicFrameDecoder decoder = new TelicFrameDecoder();
+        var decoder = new TelicFrameDecoder();
 
         verifyFrame(
                 binary("303032363230333339337c3232367c31307c303032303034303130"),
diff --git a/src/test/java/org/traccar/protocol/TelicProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TelicProtocolDecoderTest.java
index 3e3bafb34..03824d91b 100644
--- a/src/test/java/org/traccar/protocol/TelicProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TelicProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TelicProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TelicProtocolDecoder decoder = new TelicProtocolDecoder(null);
+        var decoder = new TelicProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "0026355565071347499|206|01|001002008"));
diff --git a/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java
index 8d2e70bd4..7787907b6 100644
--- a/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class TeltonikaFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TeltonikaFrameDecoder decoder = new TeltonikaFrameDecoder();
+        var decoder = new TeltonikaFrameDecoder();
 
         verifyFrame(
                 binary("000F313233343536373839303132333435"),
diff --git a/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java
index 2f43733c4..bd4058d2e 100644
--- a/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class TeltonikaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TeltonikaProtocolDecoder decoder = new TeltonikaProtocolDecoder(null, false);
+        var decoder = new TeltonikaProtocolDecoder(null, false);
 
         verifyNull(decoder, binary(
                 "000F313233343536373839303132333435"));
@@ -118,7 +118,7 @@ public class TeltonikaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodePhoto() throws Exception {
 
-        TeltonikaProtocolDecoder decoder = new TeltonikaProtocolDecoder(null, false);
+        var decoder = new TeltonikaProtocolDecoder(null, false);
 
         verifyNull(decoder, binary(
                 "000F313233343536373839303132333435"));
@@ -138,7 +138,7 @@ public class TeltonikaProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeConnectionless() throws Exception {
 
-        TeltonikaProtocolDecoder decoder = new TeltonikaProtocolDecoder(null, true);
+        var decoder = new TeltonikaProtocolDecoder(null, true);
 
         verifyPositions(decoder, false, binary(
                 "0049cafe0122000f33353734353430373237313339373508010000015d3766f6a800003eef961ec6215e0063006d09003100070401000200f001c8000242381c18003201c7000000e10001"));
diff --git a/src/test/java/org/traccar/protocol/TeltonikaProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/TeltonikaProtocolEncoderTest.java
index 0318b9896..008a2b9dd 100644
--- a/src/test/java/org/traccar/protocol/TeltonikaProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/TeltonikaProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class TeltonikaProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        TeltonikaProtocolEncoder encoder = new TeltonikaProtocolEncoder(null);
+        var encoder = new TeltonikaProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/ThinkRaceProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/ThinkRaceProtocolDecoderTest.java
index a30d17502..39e7ed473 100644
--- a/src/test/java/org/traccar/protocol/ThinkRaceProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/ThinkRaceProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class ThinkRaceProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        ThinkRaceProtocolDecoder decoder = new ThinkRaceProtocolDecoder(null);
+        var decoder = new ThinkRaceProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "48415349483031343730303134382C8000100134363030303134363139363239343806FF"));
diff --git a/src/test/java/org/traccar/protocol/Tk102ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tk102ProtocolDecoderTest.java
index f1ba7c593..2185fda29 100644
--- a/src/test/java/org/traccar/protocol/Tk102ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tk102ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Tk102ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tk102ProtocolDecoder decoder = new Tk102ProtocolDecoder(null);
+        var decoder = new Tk102ProtocolDecoder(null);
 
         verifyNull(decoder, buffer(
                 "[\u00800000000000\u000821315452]"));
diff --git a/src/test/java/org/traccar/protocol/Tk103FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Tk103FrameDecoderTest.java
index 1f42e588f..57df2ac5b 100644
--- a/src/test/java/org/traccar/protocol/Tk103FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tk103FrameDecoderTest.java
@@ -9,7 +9,7 @@ public class Tk103FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tk103FrameDecoder decoder = new Tk103FrameDecoder();
+        var decoder = new Tk103FrameDecoder();
 
         verifyFrame(
                 binary("283836343735353535353535353535352C445733422C3133313131372C412C353536322E30323837304E2C30313334382E3038313934452C312E3539372C3232333730372C3239312E36352C2D302E31302C3429"),
diff --git a/src/test/java/org/traccar/protocol/Tk103ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tk103ProtocolDecoderTest.java
index 106a24375..e0dd1165b 100644
--- a/src/test/java/org/traccar/protocol/Tk103ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tk103ProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Tk103ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tk103ProtocolDecoder decoder = new Tk103ProtocolDecoder(null);
+        var decoder = new Tk103ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "(086375304593BR00210119A2220.0160N11335.4073E0000014000309.84001000293L0000015FP23BS27F)"));
diff --git a/src/test/java/org/traccar/protocol/Tk103ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/Tk103ProtocolEncoderTest.java
index 82e0e0d88..c34674128 100644
--- a/src/test/java/org/traccar/protocol/Tk103ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tk103ProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeOutputControl() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -25,7 +25,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeEngineStop() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -38,7 +38,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionSingle() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -51,7 +51,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionPeriodic() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -65,7 +65,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionStop() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -78,7 +78,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeGetVersion() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -91,7 +91,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeRebootDevice() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -104,7 +104,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeSetOdometer() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -117,7 +117,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionSingleAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -130,7 +130,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionPeriodicAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -143,7 +143,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionStopAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -156,7 +156,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeGetVersionAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -169,7 +169,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeRebootDeviceAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -182,7 +182,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeIdentificationAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -195,7 +195,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeSosOnAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -209,7 +209,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeSosOffAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -223,7 +223,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeCustom() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null);
+        var encoder = new Tk103ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -237,7 +237,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeCustomAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -251,7 +251,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeSetConnectionAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -266,7 +266,7 @@ public class Tk103ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeSosNumberAlternative() {
 
-        Tk103ProtocolEncoder encoder = new Tk103ProtocolEncoder(null, true);
+        var encoder = new Tk103ProtocolEncoder(null, true);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java
index 216e65a5d..6b65b2c4c 100644
--- a/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tlt2hProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class Tlt2hProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tlt2hProtocolDecoder decoder = new Tlt2hProtocolDecoder(null);
+        var decoder = new Tlt2hProtocolDecoder(null);
 
         verifyPositions(decoder, text(
                 "#860425040088567#MT600+#0000#0#1#129#40#0#AUTOLOW#1\r\n",
diff --git a/src/test/java/org/traccar/protocol/TlvProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TlvProtocolDecoderTest.java
index 0aaf567e8..54d66dac9 100644
--- a/src/test/java/org/traccar/protocol/TlvProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TlvProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TlvProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TlvProtocolDecoder decoder = new TlvProtocolDecoder(null);
+        var decoder = new TlvProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "30430f383630323437303330303934333931ff10393233323132323030303834353433340f533636385f415f56312e30315f454eff1130303a30433a45373a30303a30303a30300132"));
diff --git a/src/test/java/org/traccar/protocol/TmgFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TmgFrameDecoderTest.java
index c351b7775..886470745 100644
--- a/src/test/java/org/traccar/protocol/TmgFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TmgFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class TmgFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TmgFrameDecoder decoder = new TmgFrameDecoder();
+        var decoder = new TmgFrameDecoder();
 
         verifyNull(
                 decoder.decode(null, null, binary("2424242424")));
diff --git a/src/test/java/org/traccar/protocol/TmgProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TmgProtocolDecoderTest.java
index 5df2378d9..722df5306 100644
--- a/src/test/java/org/traccar/protocol/TmgProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TmgProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TmgProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TmgProtocolDecoder decoder = new TmgProtocolDecoder(null);
+        var decoder = new TmgProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$loc,869309013800417,08032014,094459,1,2826.1956,N,07659.7690,E,0.0,2.5,4441,31,6,95,1,LLLL,NNTN,HH,0.15,0.26,HR38AU1389,0,SW0.1a"));
diff --git a/src/test/java/org/traccar/protocol/TopflytechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TopflytechProtocolDecoderTest.java
index 666a48bfa..dbc7210e0 100644
--- a/src/test/java/org/traccar/protocol/TopflytechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TopflytechProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TopflytechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TopflytechProtocolDecoder decoder = new TopflytechProtocolDecoder(null);
+        var decoder = new TopflytechProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "(880316890094910BP00XG00b600000000L00074b54S00000000R0C0F0014000100f0130531152205A0706.1395S11024.0965E000.0251.25"));
diff --git a/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java
index 191d27b8a..5ddee09a2 100644
--- a/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TopinProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TopinProtocolDecoder decoder = new TopinProtocolDecoder(null);
+        var decoder = new TopinProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "787801080D0A"));
diff --git a/src/test/java/org/traccar/protocol/TotemFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TotemFrameDecoderTest.java
index 8fb5f8d54..95949c51b 100644
--- a/src/test/java/org/traccar/protocol/TotemFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TotemFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class TotemFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TotemFrameDecoder decoder = new TotemFrameDecoder();
+        var decoder = new TotemFrameDecoder();
 
         verifyFrame(
                 binary("24243030323542423836323031303033373239343836313345"),
diff --git a/src/test/java/org/traccar/protocol/TotemProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TotemProtocolDecoderTest.java
index fa56797be..e16774782 100644
--- a/src/test/java/org/traccar/protocol/TotemProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TotemProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TotemProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TotemProtocolDecoder decoder = new TotemProtocolDecoder(null);
+        var decoder = new TotemProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$$0112E5864606045334223|201112223514,-68.923106,-22.455926,$Cloud,1738,621,730,12100,0,0,255,0,40,40,0,0,255,|13"));
diff --git a/src/test/java/org/traccar/protocol/TotemProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/TotemProtocolEncoderTest.java
index d8c54afbe..51e5bac92 100644
--- a/src/test/java/org/traccar/protocol/TotemProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/TotemProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class TotemProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        TotemProtocolEncoder encoder = new TotemProtocolEncoder(null);
+        var encoder = new TotemProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(2);
diff --git a/src/test/java/org/traccar/protocol/Tr20ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tr20ProtocolDecoderTest.java
index 76355066b..0b7941f69 100644
--- a/src/test/java/org/traccar/protocol/Tr20ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tr20ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Tr20ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tr20ProtocolDecoder decoder = new Tr20ProtocolDecoder(null);
+        var decoder = new Tr20ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "%%123456789012345,A,120101121800,N6000.0000E13000.0000,0,000,0,01034802,150,[Message]"));
diff --git a/src/test/java/org/traccar/protocol/Tr900ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tr900ProtocolDecoderTest.java
index 92fe0da29..d3d35b356 100644
--- a/src/test/java/org/traccar/protocol/Tr900ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tr900ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Tr900ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tr900ProtocolDecoder decoder = new Tr900ProtocolDecoder(null);
+        var decoder = new Tr900ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 ">00001001,4,1,150626,131252,W05830.2978,S3137.2783,,00,348,18,00,003-000,0,3,11111011*3b!"),
diff --git a/src/test/java/org/traccar/protocol/TrackboxProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TrackboxProtocolDecoderTest.java
index e83824fb4..caac520e1 100644
--- a/src/test/java/org/traccar/protocol/TrackboxProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TrackboxProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TrackboxProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TrackboxProtocolDecoder decoder = new TrackboxProtocolDecoder(null);
+        var decoder = new TrackboxProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "a=connect&v=11&i=111111111111111"));
diff --git a/src/test/java/org/traccar/protocol/TrakMateProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TrakMateProtocolDecoderTest.java
index 4352fc935..ef99527d7 100644
--- a/src/test/java/org/traccar/protocol/TrakMateProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TrakMateProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TrakMateProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TrakMateProtocolDecoder decoder = new TrakMateProtocolDecoder(null);
+        var decoder = new TrakMateProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "^TMSTP|352984083995323|116|13.07809|77.55979|131508|131118|0.0|146.51|7|0|71 -2 248|0|13.1|0.0|10.5|1|0|0|0|#"));
diff --git a/src/test/java/org/traccar/protocol/TramigoFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TramigoFrameDecoderTest.java
index f482a00bb..80e6a6e81 100644
--- a/src/test/java/org/traccar/protocol/TramigoFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TramigoFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class TramigoFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TramigoFrameDecoder decoder = new TramigoFrameDecoder();
+        var decoder = new TramigoFrameDecoder();
 
         verifyFrame(
                 binary("8000ed2bb0009c000101bee000050b09633d925b5472616d69676f3a205472697020737461727465642c2053686f636b2053656e736f722c206174204b696e6720437265656b20526f61642d46726565746f776e205374726565742c20506f727420486172636f7572742c205269766572732c204e472c20342e37363336312c20372e30313836382c2030373a31383a333620536570203320454f46"),
diff --git a/src/test/java/org/traccar/protocol/TramigoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TramigoProtocolDecoderTest.java
index d35c5c54e..8b556b356 100644
--- a/src/test/java/org/traccar/protocol/TramigoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TramigoProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TramigoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TramigoProtocolDecoder decoder = new TramigoProtocolDecoder(null);
+        var decoder = new TramigoProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "8000c426b000a6000101c557037598050d5c8a595472616d69676f3a204d6f76696e672c20302e3132206b6d2045206f66204c617275742054696e2049736c616d6963205072696d617279205363686f6f6c2c2054616970696e672c20506572616b2c204d592c20342e38333134392c203130302e37333038352c204e572077697468207370656564203130206b6d2f682c2030303a34393a30382041756720392020454f46"));
diff --git a/src/test/java/org/traccar/protocol/TrvProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TrvProtocolDecoderTest.java
index aceb9e122..44735abcb 100644
--- a/src/test/java/org/traccar/protocol/TrvProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TrvProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TrvProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TrvProtocolDecoder decoder = new TrvProtocolDecoder(null);
+        var decoder = new TrvProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "TRVAP00352121088015548"));
diff --git a/src/test/java/org/traccar/protocol/Tt8850ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Tt8850ProtocolDecoderTest.java
index e3833bcc7..5d0e86a3f 100644
--- a/src/test/java/org/traccar/protocol/Tt8850ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Tt8850ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Tt8850ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Tt8850ProtocolDecoder decoder = new Tt8850ProtocolDecoder(null);
+        var decoder = new Tt8850ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "\u0000\u0004,007F,0,GTFRI,020102,867844000667538,4142726856,0,0,1,3,1.6,0,997.3,-66.830786,10.483394,20171212171418,0734,0004,041A,4220,69,20171212171657,FF61"));
diff --git a/src/test/java/org/traccar/protocol/TytanProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TytanProtocolDecoderTest.java
index ed75cee38..1cab0f8b1 100644
--- a/src/test/java/org/traccar/protocol/TytanProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TytanProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TytanProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TytanProtocolDecoder decoder = new TytanProtocolDecoder(null);
+        var decoder = new TytanProtocolDecoder(null);
 
         verifyPositions(decoder, binary(
                 "B500192000001405125652CA9B1A325FC98D11A9990018020118FC0D"));
diff --git a/src/test/java/org/traccar/protocol/TzoneProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TzoneProtocolDecoderTest.java
index f90497292..0aeea0f1a 100644
--- a/src/test/java/org/traccar/protocol/TzoneProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TzoneProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class TzoneProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        TzoneProtocolDecoder decoder = new TzoneProtocolDecoder(null);
+        var decoder = new TzoneProtocolDecoder(null);
 
         verifyAttributes(decoder, binary(
                 "545A004B2424041302000000086706003324776413030C0A1A2900180513030C0A1A25080F7E1028CAC830000A000F0000000005000AA53201633D05046000010009AA201737019408973B0032B0260D0A"));
diff --git a/src/test/java/org/traccar/protocol/UlbotechFrameDecoderTest.java b/src/test/java/org/traccar/protocol/UlbotechFrameDecoderTest.java
index 31e748f27..77afbb50f 100644
--- a/src/test/java/org/traccar/protocol/UlbotechFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/UlbotechFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class UlbotechFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        UlbotechFrameDecoder decoder = new UlbotechFrameDecoder();
+        var decoder = new UlbotechFrameDecoder();
 
         verifyFrame(
                 binary("f8010103515810532780699f7e2e3f010e015ee4c906bde45c00000000008b0304004000000404002c776005060373193622110b00240b00fee8ffff807dffff606d0b00fee9af000000af0000000b00feee7d78807dffffffff100101cc2af8"),
diff --git a/src/test/java/org/traccar/protocol/UlbotechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/UlbotechProtocolDecoderTest.java
index a2bc1b46e..b7c6d2d45 100644
--- a/src/test/java/org/traccar/protocol/UlbotechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/UlbotechProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class UlbotechProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        UlbotechProtocolDecoder decoder = new UlbotechProtocolDecoder(null);
+        var decoder = new UlbotechProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "f801010353323083177450a703f6f0010efe55a31a0923d01400050070007003040a42000004040070cca00506039b1876220f060800000000000000000725310553410c0c9e310d05310f4641100440311119411f00476101810f8000310487411f00480804203a14c009033320159310f8"));
diff --git a/src/test/java/org/traccar/protocol/UproProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/UproProtocolDecoderTest.java
index e758725f2..0369f47ed 100644
--- a/src/test/java/org/traccar/protocol/UproProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/UproProtocolDecoderTest.java
@@ -9,7 +9,7 @@ public class UproProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        UproProtocolDecoder decoder = new UproProtocolDecoder(null);
+        var decoder = new UproProtocolDecoder(null);
 
         verifyPosition(decoder, buffer(
                 "*HQ201861909268000132,BA&A1820223307024309650492530000311019&B0100000000&F0000&V0036&R0500&J000182&M0052&W00000091&I231026027BD39090827BD5ACA04&X(501E0)(B0000)(E0136)(J01E0)(L3)(k8937204016201240376F)&K00200&T85&N01#"));
diff --git a/src/test/java/org/traccar/protocol/V680ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/V680ProtocolDecoderTest.java
index e3761c3ef..59b6dbea9 100644
--- a/src/test/java/org/traccar/protocol/V680ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/V680ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class V680ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        V680ProtocolDecoder decoder = new V680ProtocolDecoder(null);
+        var decoder = new V680ProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "#867967020910610#01234567890#1#0000#AUT#1#0500000000120000#114.036291,E,22.665795,N,111.00,000.00#111116#193333##"),
diff --git a/src/test/java/org/traccar/protocol/VisiontekProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/VisiontekProtocolDecoderTest.java
index 11596945e..b079346c9 100644
--- a/src/test/java/org/traccar/protocol/VisiontekProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/VisiontekProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class VisiontekProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        VisiontekProtocolDecoder decoder = new VisiontekProtocolDecoder(null);
+        var decoder = new VisiontekProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$1,117,28,01,16,15,05,48,1725.0518N,07824.5298E,0620,11,0,185,2062,0,0,0,1,1,1,1,24,00.0000,00.3740,00.0000,VAJRA V1.00,A"));
diff --git a/src/test/java/org/traccar/protocol/VnetProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/VnetProtocolDecoderTest.java
index 3281aae34..d43176a45 100644
--- a/src/test/java/org/traccar/protocol/VnetProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/VnetProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class VnetProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        VnetProtocolDecoder decoder = new VnetProtocolDecoder(null);
+        var decoder = new VnetProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "24240000140029111909062986818303379282604c452e322e30302ea32b020f0000d3552323"));
diff --git a/src/test/java/org/traccar/protocol/Vt200FrameDecoderTest.java b/src/test/java/org/traccar/protocol/Vt200FrameDecoderTest.java
index 9422f6d74..91cc3d317 100644
--- a/src/test/java/org/traccar/protocol/Vt200FrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Vt200FrameDecoderTest.java
@@ -8,7 +8,7 @@ public class Vt200FrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Vt200FrameDecoder decoder = new Vt200FrameDecoder();
+        var decoder = new Vt200FrameDecoder();
 
         verifyFrame(
                 binary("28631037309456208400340102dc0906171616454415760201144494473f920a0c0000030500200100417c1f383a9d1090510000006a00007000000e00180ee129"),
diff --git a/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java
index 9c224bc8e..423d4342c 100644
--- a/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Vt200ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Vt200ProtocolDecoder decoder = new Vt200ProtocolDecoder(null);
+        var decoder = new Vt200ProtocolDecoder(null);
 
         verifyPosition(decoder, binary(
                 "28192030961807208200210101b919011818375801245774036424612500160917000003aa008800007b00aa3429"));
diff --git a/src/test/java/org/traccar/protocol/VtfmsFrameDecoderTest.java b/src/test/java/org/traccar/protocol/VtfmsFrameDecoderTest.java
index a5eb0b49b..c03511160 100644
--- a/src/test/java/org/traccar/protocol/VtfmsFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/VtfmsFrameDecoderTest.java
@@ -10,7 +10,7 @@ public class VtfmsFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        VtfmsFrameDecoder decoder = new VtfmsFrameDecoder();
+        var decoder = new VtfmsFrameDecoder();
 
         assertEquals(
                 buffer("(863071010087648,0HK44,00,000,14,2,9,,A,114946,180313,11.0244,076.9768,282,000,00000,00000,K,0000128,1,12.8,,200,2.501,,4.001,0,0,0,0,0,0,0,,)105"),
diff --git a/src/test/java/org/traccar/protocol/VtfmsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/VtfmsProtocolDecoderTest.java
index ede5dc7ac..1d4fa7f21 100644
--- a/src/test/java/org/traccar/protocol/VtfmsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/VtfmsProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class VtfmsProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        VtfmsProtocolDecoder decoder = new VtfmsProtocolDecoder(null);
+        var decoder = new VtfmsProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "(861359037432331,0EF87,00,0,21,2,01,,A,154559,230119,1101.4046,07656.3859,241,000,00078,00000,K,0000812,1,12.7,,,,,,1,0,0,0,1,1,1,+919566531111*+919994462226,)054"),
diff --git a/src/test/java/org/traccar/protocol/WatchFrameDecoderTest.java b/src/test/java/org/traccar/protocol/WatchFrameDecoderTest.java
index 4e40eea86..91bccb4c0 100644
--- a/src/test/java/org/traccar/protocol/WatchFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WatchFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class WatchFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WatchFrameDecoder decoder = new WatchFrameDecoder();
+        var decoder = new WatchFrameDecoder();
 
         verifyFrame(
                 binary("5b33472a3335323636313039303134333135302a303030412a4c4b2c302c302c3130305d"),
diff --git a/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java
index 260a1ff8d..ddfc8e619 100644
--- a/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java
@@ -13,7 +13,7 @@ public class WatchProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WatchProtocolDecoder decoder = new WatchProtocolDecoder(null);
+        var decoder = new WatchProtocolDecoder(null);
 
         verifyPosition(decoder, buffer(
                 "[3G*358839237678820*0122*ALCUSTOMER1,251120,081821,V,0.0,N,0.0,E,2.58,317.462,35.147,14,100,2,11089,0,00100008,1,1,460,01,42308,101992452,100,5,shizhou1,44:56:e2:03:ea:2a,-69,FART3,30:0d:9e:bb:fa:4d,-70,ZKY-A209,88:c3:97:c1:f4:7f,-73,ChinaNet-HNeD,e8:84:c6:21:7c:dc,-77,,30:45:96:10:14:5d,-79,1.2035439]"));
@@ -127,7 +127,7 @@ public class WatchProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeVoiceMessage() throws Exception {
 
-        WatchProtocolDecoder decoder = new WatchProtocolDecoder(null);
+        var decoder = new WatchProtocolDecoder(null);
 
         verifyNull(decoder.decode(null, null, buffer("[CS*1234567890*0004*TK,1]")));
 
diff --git a/src/test/java/org/traccar/protocol/WatchProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/WatchProtocolEncoderTest.java
index a4a795050..bcfc8df41 100644
--- a/src/test/java/org/traccar/protocol/WatchProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/WatchProtocolEncoderTest.java
@@ -9,7 +9,7 @@ public class WatchProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        WatchProtocolEncoder encoder = new WatchProtocolEncoder(null);
+        var encoder = new WatchProtocolEncoder(null);
 
         Command command;
 
@@ -60,7 +60,7 @@ public class WatchProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeTimezone() {
 
-        WatchProtocolEncoder encoder = new WatchProtocolEncoder(null);
+        var encoder = new WatchProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/WialonProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/WialonProtocolDecoderTest.java
index 72e56fb44..bf986dd8c 100644
--- a/src/test/java/org/traccar/protocol/WialonProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WialonProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class WialonProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WialonProtocolDecoder decoder = new WialonProtocolDecoder(null);
+        var decoder = new WialonProtocolDecoder(null);
 
         verifyNull(decoder, text(
                 "#L#2.0;42001300083;;CE45"));
diff --git a/src/test/java/org/traccar/protocol/WliFrameDecoderTest.java b/src/test/java/org/traccar/protocol/WliFrameDecoderTest.java
index 48380738e..2e0d86a61 100644
--- a/src/test/java/org/traccar/protocol/WliFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WliFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class WliFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WliFrameDecoder decoder = new WliFrameDecoder();
+        var decoder = new WliFrameDecoder();
 
         verifyFrame(
                 binary("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"),
diff --git a/src/test/java/org/traccar/protocol/WliProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/WliProtocolDecoderTest.java
index 642201222..6f86a9fd9 100644
--- a/src/test/java/org/traccar/protocol/WliProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WliProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class WliProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WliProtocolDecoder decoder = new WliProtocolDecoder(null);
+        var decoder = new WliProtocolDecoder(null);
 
         verifyNull(decoder, binary(
                 "0232776c693a30343930333332303332343103"));
diff --git a/src/test/java/org/traccar/protocol/WondexFrameDecoderTest.java b/src/test/java/org/traccar/protocol/WondexFrameDecoderTest.java
index 642473f2d..85a878aef 100644
--- a/src/test/java/org/traccar/protocol/WondexFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WondexFrameDecoderTest.java
@@ -11,7 +11,7 @@ public class WondexFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WondexFrameDecoder decoder = new WondexFrameDecoder();
+        var decoder = new WondexFrameDecoder();
 
         assertNull(
                 decoder.decode(null, null, binary("f0d70b0001ca9a3b")));
diff --git a/src/test/java/org/traccar/protocol/WondexProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/WondexProtocolDecoderTest.java
index b51ca03f3..111cc9fbe 100644
--- a/src/test/java/org/traccar/protocol/WondexProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WondexProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class WondexProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WondexProtocolDecoder decoder = new WondexProtocolDecoder(null);
+        var decoder = new WondexProtocolDecoder(null);
 
         verifyPosition(decoder, buffer(
                 "2005010051,19990925063830,26.106181,44.440225,0,0,0,7,2,0.0,0,,,0"));
diff --git a/src/test/java/org/traccar/protocol/WondexProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/WondexProtocolEncoderTest.java
index 41fee2723..ed0af844e 100644
--- a/src/test/java/org/traccar/protocol/WondexProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/WondexProtocolEncoderTest.java
@@ -10,7 +10,7 @@ public class WondexProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        WondexProtocolEncoder encoder = new WondexProtocolEncoder(null);
+        var encoder = new WondexProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(2);
diff --git a/src/test/java/org/traccar/protocol/WristbandProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/WristbandProtocolDecoderTest.java
index 5635ce3d4..10381168e 100644
--- a/src/test/java/org/traccar/protocol/WristbandProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WristbandProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class WristbandProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        WristbandProtocolDecoder decoder = new WristbandProtocolDecoder(null);
+        var decoder = new WristbandProtocolDecoder(null);
 
         verifyNotNull(decoder, binary(
                 "000102004459583836383730343034343735303035357c56312e307c317c7b4630342331382c30372c332c3539303139322c33303a31382c30372c332c3539303139322c33307d0d0afffefc"));
diff --git a/src/test/java/org/traccar/protocol/XexunFrameDecoderTest.java b/src/test/java/org/traccar/protocol/XexunFrameDecoderTest.java
index b91cd0ebf..43b8bdc0e 100644
--- a/src/test/java/org/traccar/protocol/XexunFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/XexunFrameDecoderTest.java
@@ -8,7 +8,7 @@ public class XexunFrameDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        XexunFrameDecoder decoder = new XexunFrameDecoder();
+        var decoder = new XexunFrameDecoder();
 
         verifyFrame(
                 binary("4750524d432c3230353933352e3030302c412c353134302e343335302c4e2c3530312e303638362c452c302e30302c302e30302c3132313031352c30302c303030302e302c412a37302c462c2c696d65693a3335393538373031343731383339322c"),
diff --git a/src/test/java/org/traccar/protocol/XexunProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/XexunProtocolDecoderTest.java
index 8b0f245a2..d2caa9c55 100644
--- a/src/test/java/org/traccar/protocol/XexunProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/XexunProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class XexunProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        XexunProtocolDecoder decoder = new XexunProtocolDecoder(null, false);
+        var decoder = new XexunProtocolDecoder(null, false);
 
         verifyAttributes(decoder, text(
                 "GPRMC,.000,A,0.000000,S,0.0000,W,0.00,0.00,,00,0000.0,A*55,L,,imei:353579010727036,"));
diff --git a/src/test/java/org/traccar/protocol/XirgoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/XirgoProtocolDecoderTest.java
index d85364d22..f3a56a79d 100644
--- a/src/test/java/org/traccar/protocol/XirgoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/XirgoProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class XirgoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeCustom() throws Exception {
 
-        XirgoProtocolDecoder decoder = new XirgoProtocolDecoder(null);
+        var decoder = new XirgoProtocolDecoder(null);
 
         decoder.setForm("UID,EV,D,T,LT,LN,AL,GSPT,HD,SV,HP,BV,CQ,GS,SI,IG,OT");
 
@@ -31,7 +31,7 @@ public class XirgoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeNew() throws Exception {
 
-        XirgoProtocolDecoder decoder = new XirgoProtocolDecoder(null);
+        var decoder = new XirgoProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$$352054058132185,4001,2017/04/21,00:01:05,32.54659,-116.90670,143.2,0,0,0,598,0.0,12,0.9,765840,7.0,14.5,19,1,1,0011,8.5,63.2,5,21999,184,255,671,207,100,185##"));
@@ -59,7 +59,7 @@ public class XirgoProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecodeOld() throws Exception {
 
-        XirgoProtocolDecoder decoder = new XirgoProtocolDecoder(null);
+        var decoder = new XirgoProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "$$354660046140722,6001,2013/01/22,15:36:18,25.80907,-80.32531,7.1,19,165.2,11,0.8,11.1,17,1,1,3.9,2##"),
diff --git a/src/test/java/org/traccar/protocol/XirgoProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/XirgoProtocolEncoderTest.java
index 0ff47cad3..4f01aa72b 100644
--- a/src/test/java/org/traccar/protocol/XirgoProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/XirgoProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class XirgoProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncode() throws Exception {
 
-        XirgoProtocolEncoder encoder = new XirgoProtocolEncoder(null);
+        var encoder = new XirgoProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Xrb28ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Xrb28ProtocolDecoderTest.java
index 20adacd6b..3197ba854 100644
--- a/src/test/java/org/traccar/protocol/Xrb28ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Xrb28ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Xrb28ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Xrb28ProtocolDecoder decoder = new Xrb28ProtocolDecoder(null);
+        var decoder = new Xrb28ProtocolDecoder(null);
 
         verifyAttributes(decoder, text(
                 "*SCOR,OM,123456789123456,Q0,412,80,28#"));
diff --git a/src/test/java/org/traccar/protocol/Xrb28ProtocolEncoderTest.java b/src/test/java/org/traccar/protocol/Xrb28ProtocolEncoderTest.java
index 27efbd6db..357da8f7b 100644
--- a/src/test/java/org/traccar/protocol/Xrb28ProtocolEncoderTest.java
+++ b/src/test/java/org/traccar/protocol/Xrb28ProtocolEncoderTest.java
@@ -11,7 +11,7 @@ public class Xrb28ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodePositionPeriodic() {
 
-        Xrb28ProtocolEncoder encoder = new Xrb28ProtocolEncoder(null);
+        var encoder = new Xrb28ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
@@ -25,7 +25,7 @@ public class Xrb28ProtocolEncoderTest extends ProtocolTest {
     @Test
     public void testEncodeCustom() {
 
-        Xrb28ProtocolEncoder encoder = new Xrb28ProtocolEncoder(null);
+        var encoder = new Xrb28ProtocolEncoder(null);
 
         Command command = new Command();
         command.setDeviceId(1);
diff --git a/src/test/java/org/traccar/protocol/Xt013ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Xt013ProtocolDecoderTest.java
index aa44929ab..f8ddd35c3 100644
--- a/src/test/java/org/traccar/protocol/Xt013ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Xt013ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Xt013ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Xt013ProtocolDecoder decoder = new Xt013ProtocolDecoder(null);
+        var decoder = new Xt013ProtocolDecoder(null);
         
         verifyPosition(decoder, text(
                 "TK,862950021650364,150131090859,+53.267863,+5.767363,0,38,12,0,F,204,08,C94,336C,24,,4.09,1,,,,,,,,"),
diff --git a/src/test/java/org/traccar/protocol/Xt2400ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Xt2400ProtocolDecoderTest.java
index 6d49f2516..9562a75e2 100644
--- a/src/test/java/org/traccar/protocol/Xt2400ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Xt2400ProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class Xt2400ProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        Xt2400ProtocolDecoder decoder = new Xt2400ProtocolDecoder(null);
+        var decoder = new Xt2400ProtocolDecoder(null);
 
         decoder.setConfig("\n::wycfg pcr[1] 012801030405060708090a1213c8545657585a656e7d2cd055595d5e71797a7b7c7e7f80818285866b\n");
 
diff --git a/src/test/java/org/traccar/protocol/YwtProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/YwtProtocolDecoderTest.java
index 332d15fa5..1d29b1282 100644
--- a/src/test/java/org/traccar/protocol/YwtProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/YwtProtocolDecoderTest.java
@@ -8,7 +8,7 @@ public class YwtProtocolDecoderTest extends ProtocolTest {
     @Test
     public void testDecode() throws Exception {
 
-        YwtProtocolDecoder decoder = new YwtProtocolDecoder(null);
+        var decoder = new YwtProtocolDecoder(null);
 
         verifyPosition(decoder, text(
                 "%RP,1222102985:1,170509033842,E102.146563,N14.582175,,0,320,10,0,00-00-00-00-00-00-00-00-00-00-00-00,,1db2-02b3-52004,3>941.523-32,7>1,19>-16,20>30.9V"));