def list_metric_defintions_next(next_page_link, custom_headers:nil)
      response = list_metric_defintions_next_async(next_page_link, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def list_metric_defintions_next(next_page_link, custom_headers:nil)
      response = list_metric_defintions_next_async(next_page_link, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Get metrics that can be queried for an App Service plan, and their
 definitions.

 Get metrics that can be queried for an App Service plan, and their
 definitions.

 @param next_page_link [String] The NextLink from the previous successful call
 to List operation.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [ResourceMetricDefinitionCollection] operation results.