code: protected int getChildCount(){
  		int num=0;
  		LazyNode token=child;
  		while(token!=null){
  			num++;
  			token=token.next;
  		}
  		return num;
  	}
docs: Count the children attached to this token. Be aware that this requires actual linked list traversal!
  
  @return the number of child tokens attached to this token