public Builder mergeFrom(org.anychat.protobuf.ws.LoginChatProto.ChatUserOnlineS other) {
        if (other == org.anychat.protobuf.ws.LoginChatProto.ChatUserOnlineS.getDefaultInstance()) return this;
        if (!other.getWsOpCode().isEmpty()) {
          wsOpCode_ = other.wsOpCode_;
          onChanged();
        }
        if (other.hasChatUser()) {
          mergeChatUser(other.getChatUser());
        }
        onChanged();
        return this;
      }
Protobuf type {@code org.anychat.protobuf.ws.ChatUserOnlineS}
AnyChatServer/src/main/java/org/anychat/protobuf/ws/LoginChatProto.java