@type t() :: %Figler.Schema.AgendaMetadata{
  music_info: Figler.Schema.AgendaMusicInfo.t() | nil,
  name: String.t() | nil,
  target_node_id: Figler.Schema.GUID.t() | nil,
  timer_info: Figler.Schema.AgendaTimerInfo.t() | nil,
  type: Figler.Schema.AgendaItemType.t() | nil,
  vote_info: Figler.Schema.AgendaVoteInfo.t() | nil
}