code: public void setDateTimeRangeTargeting(com.google.api.ads.admanager.axis.v201902.DateTimeRangeTargeting dateTimeRangeTargeting) {
          this.dateTimeRangeTargeting = dateTimeRangeTargeting;
      }
docs: Sets the dateTimeRangeTargeting value for this Targeting.
  
  @param dateTimeRangeTargeting   * Specifies the dates and time ranges that are targeted by the
  {@link LineItem}. This attribute
  is optional.