public Matcher(Selector.XPath xpath,FieldActivator activator,int initialDepth){
  super(xpath);
  fFieldActivator=activator;
  fInitialDepth=initialDepth;
}

public Matcher ( Selector . XPath xpath , FieldActivator activator , int initialDepth ) { super ( xpath ) ; fFieldActivator = activator ; fInitialDepth = initialDepth ; }
constructs a selector matcher .
