readAttributeCurrentHeapUsed(completionHandler:)
Declaration
func readAttributeCurrentHeapUsed(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeCurrentHeapUsed() async throws -> NSNumberfunc readAttributeCurrentHeapUsed(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeCurrentHeapUsed() async throws -> NSNumber