code: public void setRefreshType(com.google.api.ads.admanager.axis.v201902.RefreshType refreshType) {
          this.refreshType = refreshType;
      }
docs: Sets the refreshType value for this MasterPlaylistSettings.
  
  @param refreshType   * Indicates how the master playlist gets refreshed. This field
  is optional and defaults to {@link
  RefreshType#AUTOMATIC}.