message: comment IWalkOptions
diff: @@ -899,8 +899,20 @@ namespace MakerJs {
  * Options to pass to model.walk().
  */
  export interface IWalkOptions {
  +
  + /**
  + * Callback for every path in every model.
  + */
  onPath?: IWalkPathCallback;
  +
  + /**
  + * Callback for every child model in every model. Return false to stop walking down further models.
  + */
  beforeChildWalk?: IWalkModelCancellableCallback;
  +
  + /**
  + * Callback for every child model in every model, after all of its children have been walked.
  + */
  afterChildWalk?: IWalkModelCallback;
  }
  