FontFace(fontFamily: String, fontStyle: String, fontVariant: String, fontWeight: String, fontStretch: String, unicodeRange: String, src: String, platformFontFamily: String, fontVariationAxes: List<FontVariationAxis>? = null)
Properties of a web font: https://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#font-descriptions and additional information such as platformFontFamily and fontVariationAxes.