1 files changed, 8 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/storage/Storage.java b/src/main/java/org/traccar/storage/Storage.java
index 3726fbf50..22c48cae0 100644
--- a/src/main/java/org/traccar/storage/Storage.java
+++ b/src/main/java/org/traccar/storage/Storage.java
@@ -1,5 +1,6 @@
 package org.traccar.storage;
 
+import org.traccar.model.Permission;
 import org.traccar.storage.query.Request;
 
 import java.util.List;
@@ -14,6 +15,13 @@ public abstract class Storage {
 
     public abstract void removeObject(Class<?> clazz, Request request) throws StorageException;
 
+    public abstract List<Permission> getPermissions(
+            Class<?> ownerClass, Class<?> propertyClass) throws StorageException;
+
+    public abstract void addPermission(Permission permission) throws StorageException;
+
+    public abstract void removePermission(Permission permission) throws StorageException;
+
     public <T> T getObject(Class<T> clazz, Request request) throws StorageException {
         var objects = getObjects(clazz, request);
         return objects.isEmpty() ? null : objects.get(0);