@type document_nature() :: :attachment | :signable_document

@type intials() :: %{alignement: :left | :center | :right, y: non_neg_integer()}

@type t() :: %Yousign.Document{
  content_type: String.t(),
  created_at: DateTime.t(),
  filename: String.t(),
  id: String.t(),
  initials: intials(),
  is_locked: boolean(),
  is_protected: boolean(),
  is_signed: boolean(),
  nature: document_nature(),
  sha256: String.t(),
  total_anchors: non_neg_integer(),
  total_pages: non_neg_integer()
}