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-rw-r--r--library/declare.ml4
1 files changed, 4 insertions, 0 deletions
diff --git a/library/declare.ml b/library/declare.ml
index cb5ec1b40..64445cf5e 100644
--- a/library/declare.ml
+++ b/library/declare.ml
@@ -12,6 +12,10 @@ open Libobject
open Lib
open Impargs
+type strength =
+ | DischargeAt of section_path
+ | NeverDischarge
+
(* Variables. *)
let cache_variable (_,obj) =