- CompositeModel &GetModel() noexcept { return model; }
- const CompositeModel &GetModel() const noexcept { return model; }
+ CompositeInstance &GetModel() noexcept { return model; }
+ const CompositeInstance &GetModel() const noexcept { return model; }
+
+ std::uint32_t ID() const noexcept { return id; }
+ void ID(std::uint32_t i) noexcept { id = i; }