NSFontUnknownClass A font with no design classification. Declarationvar NSFontUnknownClass: Int { get } See AlsoConstantsNSFontOldStyleSerifsClassNSFontTransitionalSerifsClassNSFontModernSerifsClassNSFontClarendonSerifsClassNSFontSlabSerifsClassNSFontFreeformSerifsClassNSFontSansSerifClassNSFontOrnamentalsClassNSFontScriptsClassNSFontSymbolicClass