public void removeProtocols(final Set<String> protocols){
  if (protocols != null && _protocols != null) {
    HashSet<String> removeProtocols=new HashSet<String>();
    removeProtocols.addAll(protocols);
    _protocols.removeAll(removeProtocols);
  }
}

public void removeProtocols ( final Set < String > protocols ) { if ( protocols != null && _protocols != null ) { HashSet < String > removeProtocols = new HashSet < String > ( ) ; removeProtocols . addAll ( protocols ) ; _protocols . removeAll ( removeProtocols ) ; } }
remove the protocols from set of protocols in virtualpool .
