src/vs/platform/terminal/node/windowsShellHelper.ts/WindowsShellHelper/constructor
class WindowsShellHelper:	constructor(
		private _rootProcessId: number
	) {
		super();

		if (!isWindows) {
			throw new Error(`WindowsShellHelper cannot be instantiated on ${platform}`);
		}

		this._isDisposed = false;

		this._startMonitoringShell();
	}