在为生产运行C：\ Sencha \ Cmd \ 6.6.0.13 \ sencha.exe应用程序构建时，我遇到了以下警告消息：
[WRN] C1005: Closure Compiler Warning (Parse error. extra visibility tag) -- compression-input:231267:7
我是extjs的新手，我不确定从何处引发此警告消息或如何纠正它。关于此警告消息的任何信息将对您有所帮助！
Sencha Cmd v6.6.0.13
[INF] Using GPL version of Ext JS version 6.2.0.981 from D:\.......
[INF] The implications of using GPL version can be found here (http://www.sencha.com/products/extjs/licensing).
[INF] Processing Build Descriptor : default (production environment)
[INF] Loading compiler context
[INF] Loading app json manifest...
[INF] Processing data with CmdJavascriptCompressor
[INF] JavaScript input level is NEXT and output level is ES5
[WRN] C1005: Closure Compiler Warning (Parse error. extra visibility tag) -- compression-input:231267:7
我希望编译时没有警告消息。