@type t() :: %HL7v2.Segment.ABS{
  abstract_completion_date_time: term(),
  abstracted_by: term(),
  attested_by: term(),
  caesarian_section_indicator: term(),
  case_category_code: term(),
  date_time_of_attestation: term(),
  discharge_care_provider: term(),
  extra_fields: term(),
  gestation_category_code: term(),
  gestation_period_weeks: term(),
  newborn_code: term(),
  severity_of_illness_code: term(),
  transfer_medical_service_code: term(),
  triage_code: term()
}