@Override
        public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
                final MethodDescriptor<ReqT, RespT> method,
                final CallOptions callOptions,
                final Channel next) {
            return next.newCall(method, callOptions);
        }
Simple No-Op ClientInterceptor for testing purposes.
tests/src/test/java/net/devh/boot/grpc/test/interceptor/PickupClientInterceptorTest.java