protected function initializeExecute(OutputInterface $output, ProcessHelper $helper)
    {
        $this->execute = $this->execute ?: new Execute($output, $helper);
    }
protected function initializeExecute(OutputInterface $output, ProcessHelper $helper)
    {
        $this->execute = $this->execute ?: new Execute($output, $helper);
    }
protected function initializeExecute ( OutputInterface $ output , ProcessHelper $ helper ) { $ this -> execute = $ this -> execute ? : new Execute ( $ output , $ helper ) ; }
Initialize the execute property if necessary.

@param OutputInterface $output
@param ProcessHelper   $helper
Initialize the execute property if necessary .