@type t() :: %EDA.Attachment{
  content_type: String.t() | nil,
  description: String.t() | nil,
  duration_secs: number() | nil,
  ephemeral: boolean() | nil,
  filename: String.t() | nil,
  height: integer() | nil,
  id: String.t() | nil,
  proxy_url: String.t() | nil,
  size: integer() | nil,
  url: String.t() | nil,
  waveform: String.t() | nil,
  width: integer() | nil
}