@type t() :: %ChatKitty.Model.ChatUserImport{
  displayName: String.t(),
  displayPicture: ChatKitty.Model.FileImportProperties.t() | nil,
  idempotencyKey: String.t() | nil,
  isGuest: boolean(),
  name: String.t(),
  properties: %{optional(String.t()) => AnyType}
}