@interface MLKeyManager : NSObject + (id)syncQueue; + (id)extractKeyIdentifierFromModelAtURL:(id)a0 usesCodeSigningIdentityForEncryption:(BOOL *)a1 error:(id *)a2; + (BOOL)isModelEncrypted:(id)a0; + (id)decryptSessionForModelAtURL:(id)a0 error:(id *)a1; + (id)loadDecryptionKeyForModelAtURL:(id)a0 retUsesCodeSigningIdentityForEncryption:(BOOL *)a1 error:(id *)a2; + (id)createPersistentKeyBlobForKeyID:(id)a0 usesCodeSigningIdentityForEncryption:(BOOL)a1 error:(id *)a2; @end