text: //
  //  MPRootSection_Protected.h
  //  Manuscripts
  //
  //  Created by Matias Piipari on 24/04/2013.
  //  Copyright (c) 2015 Manuscripts.app Limited. All rights reserved.
  //
  
  #import "MPRootSection.h"
  
  @interface MPRootSection ()
  - (void)refreshCachedValues;
  @property (readwrite, nullable) NSArray<id<MPTreeItem>> *cachedChildren;
  @property (readwrite, nullable) NSArray<id<MPTreeItem>> *fixedChildren;
  @end