| Name | Description | Type | Package | Framework |
| DocumentPosition | Class | com.uwyn.rife.datastructures | Rife | |
| EnumClass | The purpose of this abstract base class is to allow the creation of type-safe enumerations. | Class | com.uwyn.rife.datastructures | Rife |
| KeyValue | Class | com.uwyn.rife.datastructures | Rife | |
| KeyValueList | Class | com.uwyn.rife.datastructures | Rife | |
| Pair | Class | com.uwyn.rife.datastructures | Rife | |