{
typedef TextAbstraction::FontId FontId; ///< The unique identifier for a font face (generated by FontClient)
+typedef TextAbstraction::FontMetrics FontMetrics; ///< The metrics for a Font expressed in 26.6 fractional pixel format
typedef TextAbstraction::PointSize26Dot6 PointSize26Dot6; ///< The point size in 26.6 fractional points
typedef TextAbstraction::FaceIndex FaceIndex; ///< Used with fonts which allow several font faces
typedef TextAbstraction::GlyphIndex GlyphIndex; ///< Uniquely identifies a glyph within a particular font