message: add: thread params
diff: +import { ThreadMember } from "../messages/thread_member.ts";
  +import { ThreadMetadata } from "../messages/thread_metadata.ts";
  import { User } from "../users/user.ts";
  import { SnakeCasedPropertiesDeep } from "../util.ts";
  import { DiscordChannelTypes } from "./channel_types.ts";
  @@ -33,11 +35,11 @@ export interface Channel {
  recipients?: User[];
  /** Icon hash */
  icon?: string | null;
  - /** id of the DM creator */
  + /** Id of the creator of the group DM or thread */
  ownerId?: string;
  /** Application id of the group DM creator if it is bot-created */
  applicationId?: string;
  - /** Id of the parent category for a channel (each parent category can contain up to 50 channels) */
  + /** For guild channels: Id of the parent category for a channel (each parent category can contain up to 50 channels), for threads: id of the text channel this thread was created */
  parentId?: string | null;
  /** When the last pinned message was pinned. This may be null in events such as GUILD_CREATE when a message is not pinned. */
  lastPinTimestamp?: string | null;
  @@ -45,6 +47,14 @@ export interface Channel {
  rtcRegion?: string | null;
  /** The camera video quality mode of the voice channel, 1 when not present */
  videoQualityMode?: DiscordVideoQualityModes;
  + /** An approximate count of messages in a thread, stops counting at 50 */
  + messageCount?: number;
  + /** An approximate count of users in a thread, stops counting at 50 */
  + memberCount?: number;
  + /** Thread-specifig fields not needed by other channels */
  + threadMetadata?: ThreadMetadata;
  + /** Thread member object for the current user, if they have joined the thread, only included on certain API endpoints */
  + member?: ThreadMember;
  }
  /** https://discord.com/developers/docs/resources/channel#channel-object */
  