@type t() :: %ChatKitty.Model.DirectChannelResource{
  _links: %{optional(String.t()) => ChatKitty.Model.Link.t()} | nil,
  createdTime: DateTime.t(),
  creator: ChatKitty.Model.ChatUserProperties.t() | nil,
  id: integer(),
  lastReceivedMessage: ChatKitty.Model.MessageProperties.t() | nil,
  members: [ChatKitty.Model.ChatUserProperties.t()],
  properties: %{optional(String.t()) => AnyType},
  type: String.t()
}