Expanded class hierarchy of CurlException

class \Guzzle\Common\Exception\RuntimeException implements GuzzleException
- class \Guzzle\Common\Exception\RuntimeException implements GuzzleException
  - class \Guzzle\Common\Exception\RuntimeException implements GuzzleException
  - class \Guzzle\Http\Exception\CouldNotRewindStreamException implements HttpException
  - class \Guzzle\Http\Exception\RequestException implements HttpException
    class \Guzzle\Http\Exception\BadResponseException
    
    class \Guzzle\Http\Exception\CurlException
- class \Guzzle\Http\Exception\CouldNotRewindStreamException implements HttpException
- class \Guzzle\Http\Exception\RequestException implements HttpException