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-rw-r--r--third_party/nix/src/proto/worker.proto6
1 files changed, 6 insertions, 0 deletions
diff --git a/third_party/nix/src/proto/worker.proto b/third_party/nix/src/proto/worker.proto
index 9ba5ac852a4b..d018fe247938 100644
--- a/third_party/nix/src/proto/worker.proto
+++ b/third_party/nix/src/proto/worker.proto
@@ -68,6 +68,12 @@ service Worker {
 
   // TODO: What is a HashPart?
   rpc QueryPathFromHashPart(HashPart) returns (StorePath);
+
+  // Query which of the given paths is valid.
+  rpc QueryValidPaths(StorePaths) returns (StorePaths);
+
+  // Query which of the given paths have substitutes.
+  rpc QuerySubstitutablePaths(StorePaths) returns (StorePaths);
 }
 
 enum HashType {