@type t() :: %HL7v2.Segment.TXA{
  activity_date_time: term(),
  assigned_document_authenticator: term(),
  authentication_person_time_stamp: term(),
  distributed_copies: term(),
  document_availability_status: term(),
  document_change_reason: term(),
  document_completion_status: term(),
  document_confidentiality_status: term(),
  document_content_presentation: term(),
  document_storage_status: term(),
  document_type: term(),
  edit_date_time: term(),
  extra_fields: term(),
  filler_order_number: term(),
  origination_date_time: term(),
  originator_code_name: term(),
  parent_document_number: term(),
  placer_order_number: term(),
  primary_activity_provider_code: term(),
  set_id: term(),
  transcription_date_time: term(),
  transcriptionist_code_name: term(),
  unique_document_file_name: term(),
  unique_document_number: term()
}