code: protected function load($path)
      {
          $this->typeCheck->load(func_get_args());
  
          try {
              $data = $this->isolator->file_get_contents($path);
          } catch (ErrorException $e) {
              throw new Exception\ConfigurationReadException($path, $e);
          }
  
          return $data;
      }
docs: @param string $path
  
  @return string