@type t() :: %HL7v2.Segment.NK1{
  address: term(),
  administrative_sex: term(),
  ambulatory_status: term(),
  business_phone_number: term(),
  citizenship: term(),
  contact_person_social_security_number: term(),
  contact_persons_address: term(),
  contact_persons_name: term(),
  contact_persons_telephone_number: term(),
  contact_reason: term(),
  contact_role: term(),
  date_time_of_birth: term(),
  end_date: term(),
  ethnic_group: term(),
  extra_fields: term(),
  handicap: term(),
  job_status: term(),
  living_arrangement: term(),
  living_dependency: term(),
  marital_status: term(),
  mothers_maiden_name: term(),
  nationality: term(),
  next_of_kin_birth_place: term(),
  next_of_kin_employee_number: term(),
  next_of_kin_identifiers: term(),
  next_of_kin_job_code_class: term(),
  next_of_kin_job_title: term(),
  nk_name: term(),
  organization_name: term(),
  phone_number: term(),
  primary_language: term(),
  protection_indicator: term(),
  publicity_code: term(),
  race: term(),
  relationship: term(),
  religion: term(),
  set_id: term(),
  start_date: term(),
  student_indicator: term(),
  vip_indicator: term()
}