Immutable data class. var -> val

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/keysbackup/KeysBackupVersionTrustSignature.kt

@@ -20,23 +20,21 @@ import org.matrix.android.sdk.api.session.crypto.model.CryptoDeviceInfo
 
 /**
  * A signature in a `KeysBackupVersionTrust` object.
- * TODO Make it a data class with only val
  */
-class KeysBackupVersionTrustSignature {
+data class KeysBackupVersionTrustSignature(
-
         /**
          * The id of the device that signed the backup version.
          */
-    var deviceId: String? = null
+        val deviceId: String?,
 
         /**
          * The device that signed the backup version.
          * Can be null if the device is not known.
          */
-    var device: CryptoDeviceInfo? = null
+        val device: CryptoDeviceInfo?,
 
         /**
          * Flag to indicate the signature from this device is valid.
          */
-    var valid = false
+        val valid: Boolean,
-}
+)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/keysbackup/DefaultKeysBackupService.kt

@@ -455,10 +455,11 @@ internal class DefaultKeysBackupService @Inject constructor(
                     }
                 }
 
-                val signature = KeysBackupVersionTrustSignature()
+                val signature = KeysBackupVersionTrustSignature(
-                signature.device = device
+                        deviceId = deviceId,
-                signature.valid = isSignatureValid
+                        device = device,
-                signature.deviceId = deviceId
+                        valid = isSignatureValid,
+                )
                 keysBackupVersionTrustSignatures.add(signature)
             }
         }