#pstatus as 'status -> ?attrs:NCic.meta_attrs -> NCic.context ->
[ `Decl of cic_term | `Def of cic_term ] -> NCicUntrusted.meta_kind ->
'status * cic_term
-val instantiate: #pstatus as 'status -> int -> cic_term -> 'status
+val instantiate: #pstatus as 'status -> ?refine:bool -> int -> cic_term -> 'status
val instantiate_with_ast: #pstatus as 'status -> int -> tactic_term -> 'status
val select_term: