code: def from_api_repr(cls, resource, zone):
          
          name = resource["name"]
          record_type = resource["type"]
          ttl = int(resource["ttl"])
          rrdatas = resource["rrdatas"]
          return cls(name, record_type, ttl, rrdatas, zone=zone)
docs: Factory:  construct a record set given its API representation
  
          :type resource: dict
          :param resource: record sets representation returned from the API
  
          :type zone: :class:`google.cloud.dns.zone.ManagedZone`
          :param zone: A zone which holds one or more record sets.
  
          :rtype: :class:`google.cloud.dns.zone.ResourceRecordSet`
          :returns: RRS parsed from ``resource``.