+
+(*
+ (** eval zero or more phrases contained in the input string. Additional
+ * garbage contained at the end of the last phrase is ignored.
+ * @return offset from the beginning of the string pointing to the end of
+ * the last parsed phrase. Next invocations of evalAll should start from
+ * there *)
+ method evalAll: string -> int
+*)
+ end
+
+(** {2 MathML widgets} *)
+
+type mml_of_cic_sequent =
+ Cic.metasenv -> Cic.conjecture ->
+ Gdome.document *
+ ((Cic.id, Cic.term) Hashtbl.t *
+ (Cic.id, Cic.id option) Hashtbl.t *
+ (string, Cic.hypothesis) Hashtbl.t)
+
+type mml_of_cic_object =
+ explode_all:bool -> UriManager.uri -> Cic.annobj ->
+ (string, string) Hashtbl.t -> (string, Cic2acic.anntypes) Hashtbl.t ->
+ Gdome.document
+
+class type proof_viewer =
+ object
+ inherit GMathViewAux.single_selection_math_view
+
+ method load_proof: StatefulProofEngine.proof_status -> unit
+ end
+
+class type sequent_viewer =
+ object
+ inherit GMathViewAux.multi_selection_math_view
+
+ (** @return the list of selected terms. Selections which are not terms are
+ * ignored *)
+ method get_selected_terms: Cic.term list
+
+ (** @return the list of selected hypothese. Selections which are not
+ * hypotheses are ignored *)
+ method get_selected_hypotheses: Cic.hypothesis list
+
+ (** load a sequent and render it into parent widget *)
+ method load_sequent: Cic.metasenv -> int -> unit
+ end
+
+class type sequents_viewer =
+ object
+ method reset: unit
+ method load_sequents: Cic.metasenv -> unit
+ method goto_sequent: int -> unit (* to be called _after_ load_sequents *)