1 files changed, 11 insertions, 0 deletions
diff --git a/third_party/nix/src/nix-store/graphml.hh b/third_party/nix/src/nix-store/graphml.hh
new file mode 100644
index 000000000000..b78df1e49a67
--- /dev/null
+++ b/third_party/nix/src/nix-store/graphml.hh
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "types.hh"
+
+namespace nix {
+
+class Store;
+
+void printGraphML(ref<Store> store, const PathSet & roots);
+
+}