code: public void setEndDate(com.google.api.ads.admanager.axis.v201902.Date endDate) {
          this.endDate = endDate;
      }
docs: Sets the endDate value for this DateRange.
  
  @param endDate   * The end date of this range. This field is optional and if it
  is not set then there is no upper
  bound on the date range. If this field is not set
  then {@code startDate} must be specified.