code: public function getTags()
      {
          if (null === $this->tags) {
              $this->tags = array();
  
              if ($this->tagsPath !== false) {
                  $output = $this->execute('svn ls --verbose', $this->baseUrl . '/' . $this->tagsPath);
                  if ($output) {
                      foreach ($this->process->splitLines($output) as $line) {
                          $line = trim($line);
                          if ($line && preg_match('{^\s*(\S+).*?(\S+)\s*$}', $line, $match)) {
                              if (isset($match[1]) && isset($match[2]) && $match[2] !== './') {
                                  $this->tags[rtrim($match[2], '/')] = $this->buildIdentifier(
                                      '/' . $this->tagsPath . '/' . $match[2],
                                      $match[1]
                                  );
                              }
                          }
                      }
                  }
              }
          }
  
          return $this->tags;
      }
docs: {@inheritDoc}