code: public void setSkippableAdType(com.google.api.ads.admanager.axis.v201805.SkippableAdType skippableAdType) {
          this.skippableAdType = skippableAdType;
      }
docs: Sets the skippableAdType value for this BaseVideoCreative.
  
  @param skippableAdType   * The type of skippable ad.