@type t() :: %Gleanex.Client.ChatMetadata{
  applicationId: String.t() | nil,
  applicationName: String.t() | nil,
  createTime: integer() | nil,
  createdBy: Gleanex.Client.Person.t() | nil,
  icon: Gleanex.Client.IconConfig.t() | nil,
  id: String.t() | nil,
  name: String.t() | nil,
  updateTime: integer() | nil
}