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