gistfile1.txt

 public DaprClientBuilder(Integer httpPort, Integer grpcPort) {
    this();
    if(httpPort != null){
       System.getProperties().setProperty(Properties.HTTP_PORT.getName(), httpPort.toString());
    }
    if(grpcPort != null){
      System.getProperties().setProperty(Properties.GRPC_PORT.getName(), grpcPort.toString());
    }
  }