KERNEL-8167 补充声明

typescript/base/single/button/buttons/button.image.ts

@@ -4,6 +4,12 @@ export declare class ImageButton extends BasicButton {
     static xtype: string;
     static EVENT_CHANGE: string;
 
+    props: {
+        src?: string;
+        iconWidth?: number;
+        iconHeight?: number;
+    } & BasicButton['props'];
+
     setImageWidth(w: number | string): void;
 
     setImageHeight(h: number | string): void;