1 files changed, 2 insertions, 0 deletions
diff --git a/src/mbgl/layout/symbol_layout.hpp b/src/mbgl/layout/symbol_layout.hpp
index b906b0b36c..52c912c8ae 100644
--- a/src/mbgl/layout/symbol_layout.hpp
+++ b/src/mbgl/layout/symbol_layout.hpp
@@ -45,6 +45,7 @@ public:
 
     const std::string bucketLeaderID;
     std::vector<SymbolInstance> symbolInstances;
+    std::vector<SortKeyRange> sortKeyRanges;
 
     static constexpr float INVALID_OFFSET_VALUE = std::numeric_limits<float>::max();
     /**
@@ -115,6 +116,7 @@ private:
 
     bool iconsNeedLinear = false;
     bool sortFeaturesByY = false;
+    bool sortFeaturesByKey = false;
     bool allowVerticalPlacement = false;
     bool iconsInText = false;
     std::vector<style::TextWritingModeType> placementModes;