public void ConvertFile(string inputFilePath, string targetFilePath, string language)
{
// read input file
var fileContent = _fileHandlerService.ReadFileAsString(inputFilePath);
// parse file
var sourceModel = _sourceModelSerializerService.Deserialize(fileContent);
// convert source to intermediate model
var intermediateModel = _sourceModelConverterService.ConvertToIntermediate(sourceModel, language);
// convert intermediate to target model
var targetModel = _targetModelConverterService.ConvertFromIntermediate(intermediateModel);
// serialize model
var serializedTargetModel = _targetModelSerializerService.Serialize(targetModel);
// save output
_fileHandlerService.WriteFileAsString(targetFilePath, serializedTargetModel);
}