public function getProcess($commandline, $cwd = null, array $env = null, $input = null, $timeout = 60, array $options = array())
    {
        if ($this->process === null) {
            // @codeCoverageIgnoreStart
            // We ignore this since we mock it.
            return new Process($commandline, $cwd, $env, $input, $timeout, $options);
            // @codeCoverageIgnoreEnd
        }

        return $this->process;
    }