src/vs/workbench/contrib/webviewPanel/browser/webviewEditorInput.ts/WebviewInput/constructor
class WebviewInput:	constructor(
		init: WebviewInputInitInfo,
		webview: IOverlayWebview,
		private readonly _iconManager: WebviewIconManager,
	) {
		super();

		this.viewType = init.viewType;
		this.providedId = init.providedId;

		this._name = init.name;
		this._webview = webview;
	}