In this update you can use 2 new WorldChunkManagers (Lines, Squares).
Another Feature is CustomTrees, create your own Trees with the base of a vanilla Tree (Jungle, Oak...)
Check out Github for more Information:
https://github.com/FreeSoccerHDX/AdvancedWorldCreatorAPI
Direct to CustomTrees:
https://github.com/FreeSoccerHDX/Ad.../main/Methods/CustomStructures/CustomTrees.md

WorldChunkManagerLines

WorldChunkManagerSquares