src/vs/workbench/browser/parts/views/viewsViewlet.ts/FilterViewPaneContainer/onFilterChanged
class FilterViewPaneContainer:	private onFilterChanged(newFilterValue: string[]) {
		if (this.allViews.size === 0) {
			this.updateAllViews(this.viewContainerModel.activeViewDescriptors);
		}
		this.getViewsNotForTarget(newFilterValue).forEach(item => this.viewContainerModel.setVisible(item.id, false));
		this.getViewsForTarget(newFilterValue).forEach(item => this.viewContainerModel.setVisible(item.id, true));
	}