public Builder setMessage(
          org.anychat.protobuf.ws.LoginChatProto.ChatMessageData.Builder builderForValue) {
        if (messageBuilder_ == null) {
          message_ = builderForValue.build();
          onChanged();
        } else {
          messageBuilder_.setMessage(builderForValue.build());
        }

        return this;
      }
<code>optional .org.anychat.protobuf.ws.ChatMessageData message = 2;</code>
AnyChatServer/src/main/java/org/anychat/protobuf/ws/LoginChatProto.java