@type t() :: %HL7v2.Segment.NST{
  application_control_level_errors: term(),
  checksum_errors_received: term(),
  connect_timeouts: term(),
  extra_fields: term(),
  length_errors_received: term(),
  messages_received: term(),
  messages_sent: term(),
  other_errors_received: term(),
  receive_character_count: term(),
  receive_timeouts: term(),
  send_character_count: term(),
  source_identifier: term(),
  source_type: term(),
  statistics_available: term(),
  statistics_end: term(),
  statistics_start: term()
}