net.minecraft.world.level.levelgen.feature.structures

Class
EmptyPoolElement
FeaturePoolElement
JigsawJunction
JigsawPlacement
JigsawPlacement$PieceState
JigsawPlacement$Placer
LegacySinglePoolElement
ListPoolElement
SinglePoolElement
StructurePoolElement
StructureTemplatePool
StructureTemplatePools

Interface
JigsawPlacement$PieceFactory
StructurePoolElementType

Enum
StructureTemplatePool$Projection