src/vs/workbench/contrib/preferences/browser/settingsTree.ts/areAllPropertiesDefined
function areAllPropertiesDefined(properties: string[], itemsToDisplay: IObjectDataItem[]): boolean {
	const staticProperties = new Set(properties);
	itemsToDisplay.forEach(({ key }) => staticProperties.delete(key.data));
	return staticProperties.size === 0;
}