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-rw-r--r--src/libstore/store-api.hh3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 8306509f3..4068f8f35 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -765,6 +765,9 @@ public:
* (a no-op when there’s no daemon)
*/
virtual void setOptions() { }
+
+ virtual std::optional<std::string> getVersion() { return {}; }
+
protected:
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