@class NSString, NSExpression, NSAttributeDescription; @interface NSExpressionDescription : NSPropertyDescription { id _reservedtype1_1; id _reservedtype1_2; unsigned long long _reservedtype1_3; id _reservedtype1_4; unsigned long long _reservedtype1_5; id _reservedtype1_6; void *_reservedtype2_1; void *_reservedtype2_2; NSAttributeDescription *_underlyingAttribute; NSExpression *_expression; unsigned long long _expressionResultType; } @property (readonly, copy) NSString *attributeValueClassName; @property (readonly, copy) NSString *valueTransformerName; @property (retain) NSExpression *expression; @property unsigned long long expressionResultType; + (BOOL)supportsSecureCoding; - (id)init; - (void)dealloc; - (void)encodeWithCoder:(id)a0; - (unsigned long long)_propertyType; - (id)description; - (void)_writeIntoData:(id)a0 propertiesDict:(id)a1 uniquedPropertyNames:(id)a2 uniquedStrings:(id)a3 uniquedData:(id)a4 entitiesSlots:(id)a5 fetchRequests:(id)a6; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end