class ICD10Code { final String icd10; final String description; const ICD10Code({ required this.icd10, required this.description, }); factory ICD10Code.fromJson(Map json) { return switch (json) { { "icd10": String icd10, 'description': String description, } => ICD10Code( icd10: icd10, description: description, ), _ => throw const FormatException('Failed to load icd10 code object.'), }; } }