class Aws::Partitions::Partition

def build_services(partition)
  Partitions.service_ids.each_with_object({}) do
    |(service_name, service), services|
    service_data = partition['services'].fetch(
      service, 'endpoints' => {}
    )
    services[service_name] = Service.build(
      service_name, service_data, partition
    )
  end
end