src/vs/workbench/contrib/preferences/browser/settingsWidgets.ts/ObjectSettingDropdownWidget/addTooltipsToRow
class ObjectSettingDropdownWidget:	protected addTooltipsToRow(rowElementGroup: RowElementGroup, item: IObjectDataItem): void {
		const { keyElement, valueElement, rowElement } = rowElementGroup;
		const accessibleDescription = localize('objectPairHintLabel', "The property `{0}` is set to `{1}`.", item.key.data, item.value.data);

		const keyDescription = this.getEnumDescription(item.key) ?? item.keyDescription ?? accessibleDescription;
		keyElement.title = keyDescription;

		const valueDescription = this.getEnumDescription(item.value) ?? accessibleDescription;
		valueElement!.title = valueDescription;

		rowElement.setAttribute('aria-label', accessibleDescription);
	}