@type t() :: %EDA.Event.GuildMemberUpdate{
  avatar: String.t() | nil,
  guild_id: String.t() | nil,
  joined_at: String.t() | nil,
  nick: String.t() | nil,
  pending: boolean() | nil,
  premium_since: String.t() | nil,
  roles: [String.t()] | nil,
  user: EDA.User.t() | nil
}