@type t() :: %Procore.Model.RestV10SubmittalAssociatedAttachmentsGet200ResponseInner{
  attachment_id: integer() | nil,
  content_type: String.t() | nil,
  document_markup_layer_id: integer() | nil,
  filename: String.t() | nil,
  id: integer() | nil,
  state: String.t() | nil,
  updated_at: DateTime.t() | nil,
  url: String.t() | nil,
  version_timestamp: DateTime.t() | nil
}