build method
Generates the outputs for a given BuildStep.
Implementation
@override
Future<void> build(BuildStep buildStep) async {
final fileList = await resolveFileList(INPUT_SWAGGER_DIRECTORY);
await generateMappedSwaggerTypes(fileList: fileList, targetPath: OUTPUT_GENERATED_DIRECTORY);
await generateClientFromSwagger(fileList: fileList, targetPath: OUTPUT_GENERATED_DIRECTORY );
}