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