Contains information concerning any failed attempt to parse Field or Segment Grammar Notations.
invalid_token() :: %HL7.InvalidGrammar{ invalid_token: String.t(), reason: :invalid_token, schema: String.t() }
no_required_segments() :: %HL7.InvalidGrammar{ invalid_token: String.t(), reason: :no_required_segments, schema: String.t() }
t() :: invalid_token() | no_required_segments()