src/vs/workbench/contrib/markers/browser/markersView.ts/MarkersView/createFilterActionBar
class MarkersView:	private createFilterActionBar(parent: HTMLElement): void {
		this.filterActionBar = this._register(new ActionBar(parent, { actionViewItemProvider: action => this.getActionViewItem(action) }));
		this.filterActionBar.getContainer().classList.add('markers-panel-filter-container');
		this.filterActionBar.getContainer().classList.toggle('hide', !this.smallLayout);
	}