src/Neutrino/Foundation/Cli/Tasks/OptimizeTask.php
protected function optimizeProcess()
    {
        $this->output->write(Decorate::notice(str_pad('Generating optimized auto-loader', 40, ' ')), false);

        $return = $this->optimizer->optimizeProcess();

        if ($return) {
            $this->info('Success');
        } else {
            $this->error('Error');
        }

        return $return;
    }
protected function optimizeProcess()
    {
        $this->output->write(Decorate::notice(str_pad('Generating optimized auto-loader', 40, ' ')), false);

        $return = $this->optimizer->optimizeProcess();

        if ($return) {
            $this->info('Success');
        } else {
            $this->error('Error');
        }

        return $return;
    }
Build an process optimized autoloader

@return bool|int