protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
                internalGetFieldAccessorTable() {
            return com.alipay.sofa.rpc.protobuf.ProtoServiceOuterClass.internal_static_com_alipay_sofa_rpc_protobuf_EchoRequest_fieldAccessorTable
                .ensureFieldAccessorsInitialized(
                    com.alipay.sofa.rpc.protobuf.EchoRequest.class,
                    com.alipay.sofa.rpc.protobuf.EchoRequest.Builder.class);
        }
Protobuf type {@code com.alipay.sofa.rpc.protobuf.EchoRequest}
example/src/test/java/com/alipay/sofa/rpc/protobuf/EchoRequest.java