protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return org.anychat.protobuf.ws.LoginChatProto.internal_static_org_anychat_protobuf_ws_ToUserMessageS_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              org.anychat.protobuf.ws.LoginChatProto.ToUserMessageS.class, org.anychat.protobuf.ws.LoginChatProto.ToUserMessageS.Builder.class);
    }
<code>optional .org.anychat.protobuf.ws.ChatMessageData message = 2;</code>
AnyChatServer/src/main/java/org/anychat/protobuf/ws/LoginChatProto.java