code: public com.google.api.ads.adwords.axis.v201809.cm.DateRange getDateRange() {
          return dateRange;
      }
docs: Gets the dateRange value for this Selector.
  
  @return dateRange   * Range of dates for which you want to include data. If this
  value is omitted,
  results for all dates are returned.
  <p class="note"><b>Note:</b> This field is only used
  by the report download
  service. For all other services, it is ignored.</p>
  <span class="constraint DateRangeWithinRange">This range must be contained
  within the range [19700101, 20380101].</span>