def list_keys(resource_group_name, resource_name, custom_headers:nil)
      first_page = list_keys_as_lazy(resource_group_name, resource_name, custom_headers:custom_headers)
      first_page.get_all_items
    end
def list_keys(resource_group_name, resource_name, custom_headers:nil)
      first_page = list_keys_as_lazy(resource_group_name, resource_name, custom_headers:custom_headers)
      first_page.get_all_items
    end
Get the security metadata for an IoT hub. For more information, see:
 https://docs.microsoft.com/azure/iot-hub/iot-hub-devguide-security.

 Get the security metadata for an IoT hub. For more information, see:
 https://docs.microsoft.com/azure/iot-hub/iot-hub-devguide-security.

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

 @return [Array<SharedAccessSignatureAuthorizationRule>] operation results.