public Builder(){
  setVersionCode(Math.min(FreshAir.getCurrentApplicationVersion(),0));
  setFeatures(new LinkedList<FeatureInfo>());
}

public Builder ( ) { setVersionCode ( Math . min ( FreshAir . getCurrentApplicationVersion ( ) , 0 ) ) ; setFeatures ( new LinkedList < FeatureInfo > ( ) ) ; }
constructs a new builder , assuming that the version code is the current app version .
