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-rw-r--r--src/mongo/db/keypattern.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mongo/db/keypattern.h b/src/mongo/db/keypattern.h
index eb3c9d9da41..986d259eebd 100644
--- a/src/mongo/db/keypattern.h
+++ b/src/mongo/db/keypattern.h
@@ -125,6 +125,8 @@ public:
BSONObj globalMax() const;
+ size_t getApproximateSize() const;
+
private:
BSONObj _pattern;
};