public Builder mergeFrom(com.google.protobuf.Message other) {
            if (other instanceof com.alipay.sofa.rpc.protobuf.EchoRequest) {
                return mergeFrom((com.alipay.sofa.rpc.protobuf.EchoRequest) other);
            } else {
                super.mergeFrom(other);
                return this;
            }
        }
Protobuf type {@code com.alipay.sofa.rpc.protobuf.EchoRequest}
example/src/test/java/com/alipay/sofa/rpc/protobuf/EchoRequest.java