extensions/microsoft-authentication/src/AADHelper.ts/AzureActiveDirectoryService/constructor
class AzureActiveDirectoryService:	constructor(private _context: vscode.ExtensionContext) {
		this._tokenStorage = new BetterTokenStorage('microsoft.login.keylist', _context);
		this._uriHandler = new UriEventHandler();
		_context.subscriptions.push(vscode.window.registerUriHandler(this._uriHandler));
		_context.subscriptions.push(this._tokenStorage.onDidChangeInOtherWindow((e) => this.checkForUpdates(e)));
	}