src/vs/platform/sharedProcess/electron-main/sharedProcess.ts/SharedProcess/whenReady
class SharedProcess:	whenReady(): Promise<void> {
		if (!this._whenReady) {
			// Overall signal that the shared process window was loaded and
			// all services within have been created.
			this._whenReady = new Promise<void>(resolve => validatedIpcMain.once('vscode:shared-process->electron-main=init-done', () => {
				this.logService.trace('SharedProcess: Overall ready');

				resolve();
			}));
		}

		return this._whenReady;
	}