code: def extension_validator(self, azure_rest_api_request_model):
          
          content = self._serialize.body(azure_rest_api_request_model, 'AzureRestApiRequestModel')
          self._send(http_method='POST',
                     location_id='05e8a5e1-8c59-4c2c-8856-0ff087d1a844',
                     version='5.0-preview.1',
                     content=content)
docs: ExtensionValidator.
          [Preview API]
          :param :class:`<AzureRestApiRequestModel> <azure.devops.v5_0.gallery.models.AzureRestApiRequestModel>` azure_rest_api_request_model: