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+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
+(* <O___,, *       (see CREDITS file for the list of authors)           *)
+(*   \VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+open Names
+open Environ
+open Constrexpr
+open Typeclasses
+open Libnames
+
+(** Errors *)
+
+val mismatched_params : env -> constr_expr list -> Context.Rel.t -> 'a
+
+val mismatched_props : env -> constr_expr list -> Context.Rel.t -> 'a
+
+(** Instance declaration *)
+
+val existing_instance : bool -> reference -> Vernacexpr.hint_info_expr option -> unit
+(** globality, reference, optional priority and pattern information *)
+
+val declare_instance_constant :
+  typeclass ->
+  Vernacexpr.hint_info_expr -> (** priority *)
+  bool -> (** globality *)
+  Impargs.manual_explicitation list -> (** implicits *)
+  ?hook:(Globnames.global_reference -> unit) ->
+  Id.t -> (** name *)
+  Univdecls.universe_decl ->
+  bool -> (* polymorphic *)
+  Evd.evar_map -> (* Universes *)
+  Constr.t -> (** body *)
+  Constr.types -> (** type *)
+  Names.Id.t
+
+val new_instance :
+  ?abstract:bool -> (** Not abstract by default. *)
+  ?global:bool -> (** Not global by default. *)
+  ?refine:bool -> (** Allow refinement *)
+  program_mode:bool ->
+  Decl_kinds.polymorphic ->
+  local_binder_expr list ->
+  Vernacexpr.typeclass_constraint ->
+  (bool * constr_expr) option ->
+  ?generalize:bool ->
+  ?tac:unit Proofview.tactic  ->
+  ?hook:(Globnames.global_reference -> unit) ->
+  Vernacexpr.hint_info_expr ->
+  Id.t
+
+(** Setting opacity *)
+
+val set_typeclass_transparency : evaluable_global_reference -> bool -> bool -> unit
+
+(** For generation on names based on classes only *)
+
+val id_of_class : typeclass -> Id.t
+
+(** Context command *)
+
+(** returns [false] if, for lack of section, it declares an assumption
+    (unless in a module type). *)
+val context : Decl_kinds.polymorphic -> local_binder_expr list -> bool