code: public void setOperatingSystemVersionSegment(com.google.api.ads.admanager.axis.v201902.OperatingSystemVersionTargeting operatingSystemVersionSegment) {
          this.operatingSystemVersionSegment = operatingSystemVersionSegment;
      }
docs: Sets the operatingSystemVersionSegment value for this ProductSegmentation.
  
  @param operatingSystemVersionSegment   * The operating system version segmentation. {@link OperatingSystemVersionTargeting#isTargeted}
  must be {@code true}.
  
  <p>This attribute is optional.