src/vs/workbench/contrib/markers/browser/markersViewActions.ts/MarkersFilters/showErrors
class MarkersFilters:	set showErrors(showErrors: boolean) {
		if (this._showErrors.get() !== showErrors) {
			this._showErrors.set(showErrors);
			this._onDidChange.fire(<IMarkersFiltersChangeEvent>{ showErrors: true });
		}
	}