src/vs/workbench/contrib/webviewPanel/browser/webviewWorkbenchService.ts/WebviewEditorService/tryRevive
class WebviewEditorService:	private async tryRevive(
		webview: WebviewInput,
		cancellation: CancellationToken,
	): Promise<boolean> {
		for (const reviver of this._revivers.values()) {
			if (canRevive(reviver, webview)) {
				await reviver.resolveWebview(webview, cancellation);
				return true;
			}
		}
		return false;
	}