@class NSData; @interface MLModelEncryptionUtils : NSObject @property (class, readonly, retain, nonatomic) NSData *sinfData; + (BOOL)addEncryptionHeaderToUnencryptedFile:(id)a0 saveToFile:(id)a1 error:(id *)a2; + (BOOL)encryptFile:(id)a0 withKey:(id)a1 iv:(id)a2 saveToFile:(id)a3 error:(id *)a4; @end