ThingGroupMetadata
import type { ThingGroupMetadata } from "https://aws-api-gyr5wj9zj0fg.deno.dev/v0.2/services/iot.ts";interface ThingGroupMetadata {
creationDate?: Date | number | null;
parentGroupName?: string | null;
rootToParentThingGroups?: GroupNameAndArn[] | null;
}