src/vs/base/browser/ui/resizable/resizable.ts/ResizableHTMLElement/dispose
class ResizableHTMLElement:	dispose(): void {
		this._northSash.dispose();
		this._southSash.dispose();
		this._eastSash.dispose();
		this._westSash.dispose();
		this._sashListener.dispose();
		this._onDidResize.dispose();
		this._onDidWillResize.dispose();
		this.domNode.remove();
	}