pub(crate) trait DatabaseExt {
// Required methods
fn outline(&self, id: ID, glyph_id: GlyphId) -> Option<Path>;
fn raster(&self, id: ID, glyph_id: GlyphId) -> Option<BitmapImage>;
fn svg(&self, id: ID, glyph_id: GlyphId) -> Option<Node>;
fn colr(&self, id: ID, glyph_id: GlyphId) -> Option<Tree>;
}