code: public void setOperatingSystemVersionTargeting(com.google.api.ads.admanager.axis.v201805.OperatingSystemVersionTargeting operatingSystemVersionTargeting) {
          this.operatingSystemVersionTargeting = operatingSystemVersionTargeting;
      }
docs: Sets the operatingSystemVersionTargeting value for this TechnologyTargeting.
  
  @param operatingSystemVersionTargeting   * The operating system versions being targeted by the {@link
  LineItem}.