bad_data_in_stream

unrecognized_stream_version

font_not_found_during_unflattening

font_language_not_found

unable_to_get_bounds_on_multiple_devices

character_substitution_took_place

font_scaler_no_kerning_applied

font_scaler_glyph_substitution

font_scaler_fake_linespacing

font_scaler_fake_metrics

font_scaler_no_output