docs: public int add(String fragments) {
  		if (fragments == null) {
  			return 0;
  		}
  
  		final String[] splitFragments = fragments.replaceFirst("^\\/", "").split("\\/", -1);
  
  		final int n = splitFragments.length;
  		for (int i = 0; i < n; i++) {
  			pathFragments.add(splitFragments[i]);
  		}
  
  		return n;
  	}