public function __construct(ConversionConfig $config, OutputFilter $outputFilter, CommandStringBuilder $commandStringBuilder)
 {
     $this->config = $config;
     // apply the default conversion configuration to the command line path
     $this->signature = str_replace('conversion=default', 'conversion=' . $config->defaultConversion(), $this->signature);
     $this->outputFilter = $outputFilter;
     $this->commandStringBuilder = $commandStringBuilder;
     parent::__construct();
 }