| Act | Data.Tree.DUAL.Internal |
| Annot | Data.Tree.DUAL.Internal |
| annot | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| applyD | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| applyUpost | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| applyUpre | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| Concat | Data.Tree.DUAL.Internal |
| DUALTree | |
| 1 (Type/Class) | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| 2 (Data Constructor) | Data.Tree.DUAL.Internal |
| DUALTreeNE | Data.Tree.DUAL.Internal |
| DUALTreeU | |
| 1 (Type/Class) | Data.Tree.DUAL.Internal |
| 2 (Data Constructor) | Data.Tree.DUAL.Internal |
| empty | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| flatten | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| foldDUAL | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| foldDUALNE | Data.Tree.DUAL.Internal |
| getU | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| Leaf | Data.Tree.DUAL.Internal |
| leaf | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| LeafU | Data.Tree.DUAL.Internal |
| leafU | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| mapU | Data.Tree.DUAL.Internal, Data.Tree.DUAL |
| mapUNE | Data.Tree.DUAL.Internal |
| mapUU | Data.Tree.DUAL.Internal |
| nonEmpty | Data.Tree.DUAL.Internal |
| unDUALTree | Data.Tree.DUAL.Internal |
| unDUALTreeU | Data.Tree.DUAL.Internal |