@type t() :: %HL7v2.Segment.FAC{
  contact_address: term(),
  contact_person: term(),
  contact_telecommunication: term(),
  contact_title: term(),
  extra_fields: term(),
  facility_address: term(),
  facility_id: term(),
  facility_telecommunication: term(),
  facility_type: term(),
  signature_authority: term(),
  signature_authority_address: term(),
  signature_authority_telecommunication: term(),
  signature_authority_title: term()
}