allOf:
  - $ref: ./channel.yml
  - type: object
    properties:
      members_count:
        type: integer
        description: The number of members in the channel
      unread_count:
        type: integer
        description: The number of unread messages for the current user
      has_unread_mention:
        type: boolean
        description: Whether the current user has unread mentions in the channel
      muted:
        type: boolean
        description: Whether the current user muted this channel
      favorited:
        type: boolean
        description: Whether the current user favorited this channel
      hidden:
        type: boolean
        description: Whether the current user hid this channel (used to close DMs)
      members:
        type: array
        description: Lightweight members list, only returned for direct message channels
        items:
          type: object
          properties:
            user_id:
              type: integer
            name:
              type: string
            avatar_url:
              type:
                - string
                - 'null'
            availability_status:
              type:
                - string
                - 'null'