code: public com.google.api.ads.admanager.axis.v201805.DeliveryTimeZone getTimeZone() {
          return timeZone;
      }
docs: Gets the timeZone value for this DayPartTargeting.
  
  @return timeZone   * Specifies the time zone to be used for delivering {@link LineItem}
  objects.
  This attribute is optional and defaults to
  {@link DeliveryTimeZone#BROWSER}.
  <p>
  Setting this has no effect if targeting all days and
  times.