1 files changed, 3 insertions, 3 deletions
diff --git a/identity/java/android/security/identity/AuthenticationKeyMetadata.java b/identity/java/android/security/identity/AuthenticationKeyMetadata.java
index d4c28f8d459a..c6abc22c305f 100644
--- a/identity/java/android/security/identity/AuthenticationKeyMetadata.java
+++ b/identity/java/android/security/identity/AuthenticationKeyMetadata.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,11 +24,11 @@ import java.time.Instant;
 /**
  * Data about authentication keys.
  */
-public class AuthenticationKeyMetadata {
+public final class AuthenticationKeyMetadata {
     private int mUsageCount;
     private Instant mExpirationDate;
 
-    AuthenticationKeyMetadata(int usageCount, Instant expirationDate) {
+    AuthenticationKeyMetadata(int usageCount, @NonNull Instant expirationDate) {
         mUsageCount = usageCount;
         mExpirationDate = expirationDate;
     }