@class NSString, EDMessagePersistence, MFMessageCriterionConverter, NSObject; @protocol OS_os_log; @interface MFMailMessageLibraryQueryTransformer : NSObject <EFLoggable, MFMessageCriterionConverterDelegate> @property (class, readonly) NSObject<OS_os_log> *log; @property (retain, nonatomic) MFMessageCriterionConverter *criterionConverter; @property (readonly, weak, nonatomic) EDMessagePersistence *messagePersistence; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)criterionForQuery:(id)a0; - (id)messageCriterionConverter:(id)a0 expressionForConstantValue:(id)a1 withCriterionType:(long long)a2; - (long long)messageCriterionConverter:(id)a0 criterionTypeForKey:(id)a1; - (void).cxx_destruct; - (id)initWithMessagePersistence:(id)a0; - (id)mailAccountForIdentifier:(id)a0; - (unsigned int)optionsForQuery:(id)a0; @end