staticaddGlyphOriginForDirection(this:CFFIPointer, glyph:Int, direction:HBDirection, x:Int, y:Int):Void
staticgetGlyphKerningForDirection(this:CFFIPointer, glyph:Int, firstGlyph:Int, secondGlyph:Int, direction:HBDirection):Vector2
staticsubtractGlyphOriginForDirection(this:CFFIPointer, glyph:Int, direction:HBDirection, x:Int, y:Int):Void