public Builder withWhiteList(final List<Pattern> whiteList){
  Reject.ifNull(whiteList);
  this.whiteList=whiteList;
  return this;
}

public Builder withWhiteList ( final List < Pattern > whiteList ) { Reject . ifNull ( whiteList ) ; this . whiteList = whiteList ; return this ; }
sets the java class white - list for classes that a script should be allowed to access .
