DeleteResponse.
        [Preview API] Deletes a response for an extension. (soft delete)
        :param str publisher_name: Name of the publisher who published the extension.
        :param str extension_name: Name of the extension.
        :param long question_id: Identifies the question whose response is to be deleted.
        :param long response_id: Identifies the response to be deleted.

def delete_response(self, publisher_name, extension_name, question_id, response_id):
        """DeleteResponse.
        [Preview API] Deletes a response for an extension. (soft delete)
        :param str publisher_name: Name of the publisher who published the extension.
        :param str extension_name: Name of the extension.
        :param long question_id: Identifies the question whose response is to be deleted.
        :param long response_id: Identifies the response to be deleted.
        """
        route_values = {}
        if publisher_name is not None:
            route_values['publisherName'] = self._serialize.url('publisher_name', publisher_name, 'str')
        if extension_name is not None:
            route_values['extensionName'] = self._serialize.url('extension_name', extension_name, 'str')
        if question_id is not None:
            route_values['questionId'] = self._serialize.url('question_id', question_id, 'long')
        if response_id is not None:
            route_values['responseId'] = self._serialize.url('response_id', response_id, 'long')
        self._send(http_method='DELETE',
                   location_id='7f8ae5e0-46b0-438f-b2e8-13e8513517bd',
                   version='5.1-preview.1',
                   route_values=route_values)