public void addInclude(PathPatternType pattern){
  if (_includeList == null)   _includeList=new ArrayList<PathPatternType>();
  _includeList.add(pattern);
}

public void addInclude ( PathPatternType pattern ) { if ( _includeList == null ) _includeList = new ArrayList < PathPatternType > ( ) ; _includeList . add ( pattern ) ; }
adds an include pattern .
