Code review comment: ```suggestion 			logger.info("Finished to build heap keyed state-backend."); ```

Code under review:
public HeapKeyedStateBackend<K> build() throws BackendBuildingException {
		
		Map<String, StateTable<K, ?, ?>> registeredKVStates = new HashMap<>();
		
		Map<String, HeapPriorityQueueSnapshotRestoreWrapper> registeredPQStates = new HashMap<>();
		CloseableRegistry cancelStreamRegistryForBackend = new CloseableRegistry();
		HeapSnapshotStrategy<K> snapshotStrategy = initSnapshotStrategy(
			asynchronousSnapshots, registeredKVStates, registeredPQStates, cancelStreamRegistryForBackend);
		InternalKeyContext<K> keyContext = new InternalKeyContextImpl<>(
			keyGroupRange,
			numberOfKeyGroups
		);
		HeapRestoreOperation<K> restoreOperation = new HeapRestoreOperation<>(
			restoreStateHandles,
			keySerializerProvider,
			userCodeClassLoader,
			registeredKVStates,
			registeredPQStates,
			cancelStreamRegistry,
			priorityQueueSetFactory,
			keyGroupRange,
			numberOfKeyGroups,
			snapshotStrategy,
			keyContext);
		try {
			restoreOperation.restore();
			logger.info("Finish to build heap keyed state-backend.");
		} catch (Exception e) {
			throw new BackendBuildingException("Failed when trying to restore heap backend", e);
		}
		return new HeapKeyedStateBackend<>(
			kvStateRegistry,
			keySerializerProvider.currentSchemaSerializer(),
			userCodeClassLoader,
			executionConfig,
			ttlTimeProvider,
			cancelStreamRegistryForBackend,
			keyGroupCompressionDecorator,
			registeredKVStates,
			registeredPQStates,
			localRecoveryConfig,
			priorityQueueSetFactory,
			snapshotStrategy,
			keyContext);
	}

Line commented on: logger.info("Finish to build heap keyed state-backend.");

Revised code:
public HeapKeyedStateBackend<K> build() throws BackendBuildingException {
		
		Map<String, StateTable<K, ?, ?>> registeredKVStates = new HashMap<>();
		
		Map<String, HeapPriorityQueueSnapshotRestoreWrapper> registeredPQStates = new HashMap<>();
		CloseableRegistry cancelStreamRegistryForBackend = new CloseableRegistry();
		HeapSnapshotStrategy<K> snapshotStrategy = initSnapshotStrategy(
			asynchronousSnapshots, registeredKVStates, registeredPQStates, cancelStreamRegistryForBackend);
		InternalKeyContext<K> keyContext = new InternalKeyContextImpl<>(
			keyGroupRange,
			numberOfKeyGroups
		);
		HeapRestoreOperation<K> restoreOperation = new HeapRestoreOperation<>(
			restoreStateHandles,
			keySerializerProvider,
			userCodeClassLoader,
			registeredKVStates,
			registeredPQStates,
			cancelStreamRegistry,
			priorityQueueSetFactory,
			keyGroupRange,
			numberOfKeyGroups,
			snapshotStrategy,
			keyContext);
		try {
			restoreOperation.restore();
			logger.info("Finished to build heap keyed state-backend.");
		} catch (Exception e) {
			throw new BackendBuildingException("Failed when trying to restore heap backend", e);
		}
		return new HeapKeyedStateBackend<>(
			kvStateRegistry,
			keySerializerProvider.currentSchemaSerializer(),
			userCodeClassLoader,
			executionConfig,
			ttlTimeProvider,
			cancelStreamRegistryForBackend,
			keyGroupCompressionDecorator,
			registeredKVStates,
			registeredPQStates,
			localRecoveryConfig,
			priorityQueueSetFactory,
			snapshotStrategy,
			keyContext);
	}