(* identity_relocation_list_for_metavariable i canonical_context         *)
(* returns the identity relocation list, which is the list               *)
(* [Rel 1 ; ... ; Rel n] where n = List.length [canonical_context]       *)
val identity_relocation_list_for_metavariable :
  'a option list -> Cic.term option list

(* Returns the first meta whose number is above the *)
(* number of the higher meta.                       *)
val new_meta : Cic.metasenv -> int

(** [mk_implicit metasenv context]
 * add a fresh metavariable to the given metasenv, using given context
 * @return the new metasenv and the index of the added conjecture *)
val mk_implicit: Cic.metasenv -> Cic.context -> Cic.metasenv * int

(** as above but return both the index of the added conjecture (2nd index) and
 * the index of its type (1st index) *)
val mk_implicit': Cic.metasenv -> Cic.context -> Cic.metasenv * int * int

(** as above, but the fresh metavariable represents a type *)
val mk_implicit_type: Cic.metasenv -> Cic.context -> Cic.metasenv * int

val expand_implicits:
  Cic.metasenv -> Cic.context -> Cic.term ->
    Cic.metasenv * Cic.term