.addProvider(new PerlinHillsAndMountainsProvider())
.addProvider(new BiomeProvider())
.addProvider(new SurfaceToDensityProvider())
.addProvider(new FloraProvider())
.addProvider(new TreeProvider())
.addProvider(new EnsureSpawnableChunkZeroProvider())
//.addRasterizer(new GroundRasterizer(blockManager))
.addRasterizer(new SolidRasterizer())
.addPlugins()
.addRasterizer(new FloraRasterizer())
.addRasterizer(new TreeRasterizer());