public void setResponseObserver(final StreamObserver<DynamicMessage> responseObserver) {
        this.responseObserver = responseObserver;
    }
Sets response observer.

@param responseObserver the response observer
shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-grpc/src/main/java/org/apache/shenyu/plugin/grpc/proto/ShenyuGrpcCallRequest.java