src/vs/workbench/contrib/preferences/browser/preferencesWidgets.ts/SearchWidget/createInputBox
class SearchWidget:	protected createInputBox(parent: HTMLElement): HistoryInputBox {
		const showHistoryHint = () => showHistoryKeybindingHint(this.keybindingService);
		const box = this._register(new ContextScopedHistoryInputBox(parent, this.contextViewService, { ...this.options, showHistoryHint }, this.contextKeyService));
		return box;
	}