text: //
  //  LFFilter+save.h
  //  LFMediaEditingController
  //
  //  Created by TsanFeng Lam on 2019/3/1.
  //  Copyright © 2019 LamTsanFeng. All rights reserved.
  //
  
  #import "LFFilter.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface LFFilter (save)
  
  /**
   Write this filter to a specific file.
   This filter can then be restored from this file using [LFFilter filterWithContentsOfUrl:].
   */
  - (BOOL)writeToFile:(NSURL *__nonnull)fileUrl error:(NSError *__nullable*__nullable)error;
  
  @end
  
  NS_ASSUME_NONNULL_END
  