src/vs/workbench/contrib/markers/browser/markersView.ts/MarkersView/clearFilters
class MarkersView:	private clearFilters(): void {
		this.filters.filterText = '';
		this.filters.excludedFiles = false;
		this.filters.showErrors = true;
		this.filters.showWarnings = true;
		this.filters.showInfos = true;
	}