import com.google.common.collect.Collections2;
import java.util.HashMap;
import java.util.Map;
-import javax.annotation.concurrent.NotThreadSafe;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-@NotThreadSafe
+/**
+ * This class is NOT thread-safe.
+ */
final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetadata>, Identifiable<ClientIdentifier> {
private static final Logger LOG = LoggerFactory.getLogger(FrontendClientMetadataBuilder.class);