code: function notifyPath(inst, path, props) {
    let rootProperty = root$0(path);
    if (rootProperty !== path) {
      let eventName = camelToDashCase$0(rootProperty) + '-changed';
      dispatchNotifyEvent(inst, eventName, props[path], path);
      return true;
    }
    return false;
  }
docs: Dispatches {property}-changed events with path information in the detail
  object to indicate a sub-path of the property was changed.
  
  @param {!PropertyEffectsType} inst The element from which to fire the event
  @param {string} path The path that was changed
  @param {Object} props Bag of current property changes
  @return {boolean} Returns true if the path was notified
  @private