Type PropertyFoundationEssentials
keyValueValidation
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
static var keyValueValidation: CocoaError.Code { get }Type PropertyFoundationEssentials
static var keyValueValidation: CocoaError.Code { get }