KERNEL-10735 feat: 折叠面板ts声明

typescript/widget/collapse/collapse.ts

@@ -0,0 +1,10 @@
+import { Widget } from "../../core/widget";
+
+export declare class Collapse extends Widget {
+    static xtype: string;
+    static EVENT_EXPAND: string;
+
+    getValue(): string[];
+
+    setValue(v: string[]): void;
+}