code: public com.google.api.ads.admanager.axis.v201808.DateTime getLicenseWindowStartDateTime() {
          return licenseWindowStartDateTime;
      }
docs: Gets the licenseWindowStartDateTime value for this SetTopBoxCreative.
  
  @return licenseWindowStartDateTime   * The date and time that this creative can begin serving from
  a local cable video-on-demand
  server. This attribute is optional.