merge(upgrade): port particle extensions onto official native 13.6.1 (unverified)

include/mln/map/map.hpp

@@ -14,6 +14,8 @@
 #include <mln/storage/resource_options.hpp>
 #include <mln/util/client_options.hpp>
 #include <mln/util/action_journal_options.hpp>
+#include <mln/renderer/retained_underlay.hpp>
+#include <mln/renderer/render_segment.hpp>
 
 #include <cstdint>
 #include <string>
@@ -55,6 +57,14 @@ public:
     /// Triggers a repaint.
     void triggerRepaint();
 
+    /** Enables or disables the map-scoped retained static underlay optimization. */
+    void setRetainedUnderlayEnabled(bool);
+    bool setContinuousLayerRange(std::string startLayerId, std::string endLayerId);
+    bool setRenderSegmentPlan(RenderSegmentPlan);
+    RenderSegmentDiagnostics getRenderSegmentDiagnostics() const;
+    bool isRetainedUnderlayEnabled() const;
+    RetainedUnderlayDiagnostics getRetainedUnderlayDiagnostics() const;
+
     style::Style& getStyle();
     const style::Style& getStyle() const;