kColorSyncSigLinkClass The signature identifying a device-link profile class. Declarationvar kColorSyncSigLinkClass: Unmanaged<CFString>! See AlsoIdentifying profile classeskColorSyncSigAbstractClasskColorSyncSigColorSpaceClasskColorSyncSigDisplayClasskColorSyncSigInputClasskColorSyncSigNamedColorClasskColorSyncSigOutputClass