code: public int visitCountAtPathString(String pathString) {
  		Integer visitCountOut = visitCounts.get(pathString);
  
  		if (visitCountOut != null)
  			return visitCountOut;
  
  		return 0;
  	}
docs: Gets the visit/read count of a particular Container at the given path. For a
  knot or stitch, that path String will be in the form:
  
  knot knot.stitch
  
  @return The number of times the specific knot or stitch has been enountered
  by the ink engine.
  
  @param pathString
  The dot-separated path String of the specific knot or stitch.