| CaveSurface |
| CaveSurface$Bounded |
| CaveSurface$Empty |
| CaveSurface$Half |
| DripstoneHelper |
| FeatureContext |
| FeatureDebugLogger |
| FeatureDebugLogger$1 |
| FeatureDebugLogger$FeatureData |
| FeatureDebugLogger$Features |
| PlacedFeatureIndexer |
| PlacedFeatureIndexer$IndexedFeature |
| PlacedFeatureIndexer$IndexedFeatures |