src/vs/workbench/browser/parts/editor/breadcrumbsPicker.ts/BreadcrumbsPicker/constructor
class BreadcrumbsPicker:	constructor(
		parent: HTMLElement,
		protected resource: URI,
		@IInstantiationService protected readonly _instantiationService: IInstantiationService,
		@IThemeService protected readonly _themeService: IThemeService,
		@IConfigurationService protected readonly _configurationService: IConfigurationService,
		@ITelemetryService private readonly _telemetryService: ITelemetryService,
	) {
		this._domNode = document.createElement('div');
		this._domNode.className = 'monaco-breadcrumbs-picker show-file-icons';
		parent.appendChild(this._domNode);
	}