70     private $process;  variable in Symfony\\Component\\Process\\Process
195         $process = new static([], $cwd, $env, $input, $timeout);
196         $process->commandline = $command;
198         return $process;
353 …$this->process = @proc_open($commandline, $descriptors, $this->processPipes->pipes, $this->cwd, $e…
355         if (!\is_resource($this->process)) {
395         $process = clone $this;
396         $process->start($callback, $env);
398         return $process;
1346         $this->processInformation = proc_get_status($this->process);
1459         if (\is_resource($this->process)) {
1460             proc_close($this->process);
1495         $this->process = null;
1533                 $ok = @proc_terminate($this->process, $signal);