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-rw-r--r--third_party/nix/src/libstore/store-api.hh5
1 files changed, 5 insertions, 0 deletions
diff --git a/third_party/nix/src/libstore/store-api.hh b/third_party/nix/src/libstore/store-api.hh
index 7764ae8b83..974734dc15 100644
--- a/third_party/nix/src/libstore/store-api.hh
+++ b/third_party/nix/src/libstore/store-api.hh
@@ -80,8 +80,13 @@ struct GCOptions {
 
   /* Stop after at least `maxFreed' bytes have been freed. */
   unsigned long long maxFreed{std::numeric_limits<unsigned long long>::max()};
+
+  [[nodiscard]] const proto::GCAction ActionToProto() const;
 };
 
+std::optional<GCOptions::GCAction> GCActionFromProto(
+    nix::proto::GCAction gc_action);
+
 struct GCResults {
   /* Depending on the action, the GC roots, or the paths that would
      be or have been deleted. */