text: //
  //  OSMimeTypeMap.h
  //  FileDownloader
  //
  //  Created by Swae on 2017/11/11.
  //  Copyright © 2017年 alpface. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface OSMimeTypeMap : NSObject
  
  + (NSString *)mimeTypeForExtension:(NSString *)extension;
  + (NSString *)extensionForMimeType:(NSString *)mimeType;
  
  @end
  