code: public void addToPath(String path, String property) {
          Props props = pathMap.computeIfAbsent(path, k -> new Props(this, null, path));
          props.getProperties().add(property);
      }
docs: <p>addToPath.</p>
  
  @param path     a {@link java.lang.String} object.
  @param property a {@link java.lang.String} object.