text: //
  //  PHAssetResource+PHAssetResource_checkType.h
  //  photo_manager
  //
  
  #import <Photos/Photos.h>
  
  @interface PHAssetResource (PM_COMMON)
  
  - (bool)isImage;
  - (bool)isVideo;
  - (bool)isAudio;
  - (bool)isImageOrVideo;
  
  @end
  