struct Dynamic_req;
struct Element_group;
struct Element_group_item;
+struct Engraver_group_engraver;
struct General_script_def;
struct Graphical_element;
struct Graphical_axis_group;
struct Musical_req;
struct Music;
struct Music_sequence;
+struct Music_wrapper_iterator;
+struct Music_wrapper;
struct My_lily_parser;
struct Note_column;
struct Note_column_engraver;
struct Note_head_engraver;
struct Notename_table;
struct Offset;
-struct Outputter;
-struct Performer;
struct Paper_column;
-struct Paper_score;
struct Paper_def;
+struct Paper_outputter;
+struct Paper_score;
+struct Paper_stream;
struct Partial_measure_req;
+struct Performer;
struct Plet;
struct Plet_engraver;
struct Plet_req;
struct Plet_spanner;
struct Rational;
-struct Music_wrapper_iterator;
-struct Music_wrapper;
-struct Relative_octave_music;
-struct Engraver_group_engraver;
struct Piano_brace;
struct Performer;
struct Performer_group_performer;
struct Property_iterator;
+struct Ps_lookup;
+struct Ps_outputter;
+struct Ps_stream;
struct Request;
struct Request_column;
struct Engraver;
+struct Relative_octave_music;
struct Rest;
struct Rest_collision;
struct Rest_collision_engraver;
struct Super_element;
struct Translation_property;
struct Tempo_req;
+struct Tex_lookup;
+struct Tex_outputter;
struct Tex_stream;
struct Text_def;
struct Text_gob;
struct Text_req;
struct Text_spanner;
struct Tie;
-struct Tex_outputter;
struct Tie_engraver;
struct Tie_req;
struct Time_description;