def list_failover_sets(device_name, resource_group_name, manager_name, custom_headers:nil)
      response = list_failover_sets_async(device_name, resource_group_name, manager_name, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def list_failover_sets(device_name, resource_group_name, manager_name, custom_headers:nil)
      response = list_failover_sets_async(device_name, resource_group_name, manager_name, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Returns all failover sets for a given device and their eligibility for
 participating in a failover. A failover set refers to a set of volume
 containers that need to be failed-over as a single unit to maintain data
 integrity.

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

 @return [FailoverSetsList] operation results.