code: public function getPath()
      {
          if (null === $this->path) {
              $filesystem = new Filesystem();
              $cwd = $this->cwd;
  
              if (1 === \count($this->options['path']) && '-' === $this->options['path'][0]) {
                  $this->path = $this->options['path'];
              } else {
                  $this->path = array_map(
                      static function ($path) use ($cwd, $filesystem) {
                          $absolutePath = $filesystem->isAbsolutePath($path)
                              ? $path
                              : $cwd.\DIRECTORY_SEPARATOR.$path;
  
                          if (!file_exists($absolutePath)) {
                              throw new InvalidConfigurationException(sprintf(
                                  'The path "%s" is not readable.',
                                  $path
                              ));
                          }
  
                          return $absolutePath;
                      },
                      $this->options['path']
                  );
              }
          }
  
          return $this->path;
      }
docs: Returns path.
  
  @return string[]