fix: appease analyzer

Co-authored-by: MasterMarcoHD <MasterMarcoHD@users.noreply.github.com>

Author: mcquenji

lib/src/shared/utils/serialization_codec.dart

@@ -1,13 +1,11 @@
 /// JSON-like payload map.
 ///
 /// {@category shared}
-
 typedef JsonMap = Map<String, Object?>;
 
 /// Converts between runtime data and serialized wire payload.
 ///
 /// {@category shared}
-
 abstract class SerializationCodec<Data, Serialized extends Object> {
   /// Converts between runtime data and serialized wire payload.
   const SerializationCodec();

test/shared/harness/primitives_test_harness.dart

@@ -46,6 +46,7 @@ class TestKey<T> implements StorageKey {
     'compatVersion': compatVersion,
   };
 
+  @override
   String asStorageKey() {
     return StorageKey(
       namespace: namespace,