@Override
        public void onComplete() {
            /* no-op */
        }
Utilities for working with <a href="https://grpc.io/docs/languages/web/basics/">gRPC-Web</a>.

<p>Note that this class will be removed once a retry {@link ClientInterceptor} is added.
See: https://github.com/line/armeria/issues/2860
grpc/src/main/java/com/linecorp/armeria/internal/client/grpc/GrpcWebTrailersExtractor.java