 		var isBold: Bool = false
 		var isItalic: Bool = false
 		var pointSize: CGFloat?
-		var uiUsage: String?
 
 		func makeFont() -> Font? {
 			guard let fontName = self.postScriptName ?? self.familyName else { return nil }

					guard scanner.scanUpTo("\"", into: &postscriptName) else { continue }

					fontBuilder.postScriptName = postscriptName as String?

				case "-cocoa-font-uiusage":
					let scanner = Scanner(string: value)
					scanner.scanString("\"", into: nil)
					var uiusage: NSString?
					guard scanner.scanUpTo("\"", into: &uiusage) else { continue }

					fontBuilder.uiUsage = uiusage as String?

                case "text-align":
                    let alignment = self.parseAlignment(from: value)

			var attributes: [FontDescriptor.AttributeName: Any] = [
				FontDescriptor.AttributeName.name: fontName
			]

			let fontDescriptor = FontDescriptor(fontAttributes: attributes)
			let fontDescriptorWithTraits: FontDescriptor?
