code: function runNotifyEffect(inst, property, props, oldProps, info, hasPaths) {
    let rootProperty = hasPaths ? root$0(property) : property;
    let path = rootProperty != property ? property : null;
    let value = path ? get$0(inst, path) : inst.__data[property];
    if (path && value === undefined) {
      value = props[property];  // specifically for .splices
    }
    dispatchNotifyEvent(inst, info.eventName, value, path);
  }
docs: Implements the "notify" effect.
  
  Dispatches a non-bubbling event named `info.eventName` on the instance
  with a detail object containing the new `value`.
  
  @param {!PropertyEffectsType} inst The instance the effect will be run on
  @param {string} property Name of property
  @param {Object} props Bag of current property changes
  @param {Object} oldProps Bag of previous values for changed properties
  @param {?} info Effect metadata
  @param {boolean} hasPaths True with `props` contains one or more paths
  @return {void}
  @private