def list_by_resource_group(resource_group, custom_headers:nil)
      response = list_by_resource_group_async(resource_group, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def list_by_resource_group(resource_group, custom_headers:nil)
      response = list_by_resource_group_async(resource_group, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Retrieve Azure Advisor configurations.

 @param resource_group [String] The name of the Azure resource group.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [ConfigurationListResult] operation results.