public Builder removeMessage(int index) {
        if (messageBuilder_ == null) {
          ensureMessageIsMutable();
          message_.remove(index);
          onChanged();
        } else {
          messageBuilder_.remove(index);
        }
        return this;
      }
<code>repeated .org.anychat.protobuf.ws.ChatMessageData message = 2;</code>
AnyChatServer/src/main/java/org/anychat/protobuf/ws/LoginChatProto.java