Undocumented
| Variable | crippled | Undocumented |
| Interface | ILookupTable | Interface for character lookup classes. |
| Interface | IMappingTable | Interface for character mapping classes. |
| Class | LookupTableFromFunction | Undocumented |
| Class | LookupTable | Undocumented |
| Class | MappingTableFromFunction | Undocumented |
| Class | EmptyMappingTable | Undocumented |
| Class | Profile | Undocumented |
| Class | NamePrep | Implements preparation of internationalized domain names. |
| Variable | C_11 | Undocumented |
| Variable | C_12 | Undocumented |
| Variable | C_21 | Undocumented |
| Variable | C_22 | Undocumented |
| Variable | C_3 | Undocumented |
| Variable | C_4 | Undocumented |
| Variable | C_5 | Undocumented |
| Variable | C_6 | Undocumented |
| Variable | C_7 | Undocumented |
| Variable | C_8 | Undocumented |
| Variable | C_9 | Undocumented |
| Variable | B_1 | Undocumented |
| Variable | B_2 | Undocumented |
| Variable | nodeprep | Undocumented |
| Variable | resourceprep | Undocumented |
| Variable | nameprep | Undocumented |