class GroupDMChannel extends ChannelRe-exportimport { GroupDMChannel } from "https://deno.land/x/harmony@v2.7.0/mod.ts"; ConstructorsnewGroupDMChannel(client: Client, data: GroupDMChannelPayload)Propertiesoptionalicon: stringname: stringownerID: stringMethodsreadFromData(data: GroupDMChannelPayload): void