src/vs/workbench/contrib/search/browser/patternInputWidget.ts/IncludePatternInputWidget/renderSubcontrols
class IncludePatternInputWidget:	protected override renderSubcontrols(controlsDiv: HTMLDivElement): void {
		this.useSearchInEditorsBox = this._register(new Checkbox({
			icon: Codicon.book,
			title: nls.localize('onlySearchInOpenEditors', "Search only in Open Editors"),
			isChecked: false,
		}));
		this._register(this.useSearchInEditorsBox.onChange(viaKeyboard => {
			this._onChangeSearchInEditorsBoxEmitter.fire();
			if (!viaKeyboard) {
				this.inputBox.focus();
			}
		}));
		this._register(attachCheckboxStyler(this.useSearchInEditorsBox, this.themeService));
		controlsDiv.appendChild(this.useSearchInEditorsBox.domNode);
		super.renderSubcontrols(controlsDiv);
	}