+ typedef std::unordered_map<uintptr_t, uint32_t> proxy_to_id_map_type;
+ typedef std::unordered_map<uint32_t, std::unique_ptr<struct surface>>
+ surface_map_type;
+ typedef std::unordered_map<uint32_t, std::unique_ptr<struct layer>>
+ layer_map_type;
+ typedef std::unordered_map<uint32_t, std::unique_ptr<struct screen>>
+ screen_map_type;
+
+ typedef std::unordered_map<uint32_t, struct surface_properties> props_map;
+