code: public com.google.api.Logging.LoggingDestination getProducerDestinations(int index) {
      return producerDestinations_.get(index);
    }
docs: <pre>
  Logging configurations for sending logs to the producer project.
  There can be multiple producer destinations, each one must have a
  different monitored resource type. A log can be used in at most
  one producer destination.
  </pre>
  
  <code>repeated .google.api.Logging.LoggingDestination producer_destinations = 1;</code>