src/vs/base/browser/ui/tree/abstractTree.ts/TypeFilterController/onDidChangeFilterOnType
class TypeFilterController:	private onDidChangeFilterOnType(): void {
		this.tree.updateOptions({ filterOnType: this.filterOnTypeDomNode.checked });
		this.tree.refilter();
		this.tree.domFocus();
		this.render();
		this.updateFilterOnTypeTitleAndIcon();
	}