code: public void setLicenseWindowStartDateTime(com.google.api.ads.admanager.axis.v201805.DateTime licenseWindowStartDateTime) {
          this.licenseWindowStartDateTime = licenseWindowStartDateTime;
      }
docs: Sets the licenseWindowStartDateTime value for this SetTopBoxCreative.
  
  @param licenseWindowStartDateTime   * The date and time that this creative can begin serving from
  a local cable video-on-demand
  server. This attribute is optional.