Pull request #2273: 无jira任务 refactor: 补充声明

Merge in VISUAL/fineui from ~KIRA/fineui:master to master

* commit 'c0e85a4215b67c21e4ff71477021aa771fbab1e5':
  无jira任务 refactor: 补充声明

typescript/base/single/button/listitem/icontextitem.ts

@@ -10,6 +10,7 @@ export declare class IconTextItem extends BasicButton {
             dynamic: boolean;
         };
         iconWrapperWidth?: number;
+        iconCls?: string;
         iconHeight?: number;
         iconWidth?: number;
         textHgap?: number;