code: public function delete($resourcePath, $queryParameters = array(),
                          $mimeType = 'application/vnd.maileon.api+xml',
                          $deserializationType = null)
      {
          $curlSession = $this->prepareSession($resourcePath, $queryParameters, $mimeType);
          curl_setopt($curlSession, CURLOPT_CUSTOMREQUEST, "DELETE");
          return $this->performRequest($curlSession, $deserializationType);
      }
docs: Performs a DELETE operation on a resource.
  
  @param string $resourcePath
  the resource to DELETE
  @param array $queryParameters
  any additional query parameters
  @param string $mimeType
  the acceptable response MIME type
  @param mixed $deserializationType
  The name of the class this result should be deserialized as. Use
  array( 'array', 'typename' ) to deserialize arrays of a type.
  @return \em MaileonAPIResult
  the result object of the API call
  @throws MaileonAPIException
  if there was a connection problem or a server error occurred