1 files changed, 14 insertions, 0 deletions
diff --git a/src/mbgl/style/group_by_layout.hpp b/src/mbgl/style/group_by_layout.hpp
new file mode 100644
index 0000000000..dd7b5d118a
--- /dev/null
+++ b/src/mbgl/style/group_by_layout.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+
+namespace mbgl {
+namespace style {
+
+class Layer;
+
+std::vector<std::vector<std::unique_ptr<Layer>>> groupByLayout(std::vector<std::unique_ptr<Layer>>);
+
+} // namespace style
+} // namespace mbgl