code: public com.google.api.ads.admanager.axis.v201811.OperatingSystemVersionTargeting getOperatingSystemVersionSegment() {
          return operatingSystemVersionSegment;
      }
docs: Gets the operatingSystemVersionSegment value for this ProductSegmentation.
  
  @return operatingSystemVersionSegment   * The operating system version segmentation. {@link OperatingSystemVersionTargeting#isTargeted}
  must be {@code true}.
  
  <p>This attribute is optional.