@type t() :: %Gleanex.Client.Document{
  connectorType: String.t() | nil,
  containerDocument: t() | nil,
  content: Gleanex.Client.DocumentContent.t() | nil,
  datasource: String.t() | nil,
  docType: String.t() | nil,
  id: String.t() | nil,
  metadata: Gleanex.Client.DocumentMetadata.t() | nil,
  parentDocument: t() | nil,
  sections: [Gleanex.Client.DocumentSection.t()] | nil,
  title: String.t() | nil,
  url: String.t() | nil
}