Based on the following specification: https://github.com/SaftIng/fig-standards/blob/psr-rdf/proposed/rdf/rdf.md
| Interface | According Class |
|---|---|
| Node | - |
| BlankNode | BlankNodeImpl |
| Literal | LiteralImpl |
| NamedNode | NamedNodeImpl |
| Statement | StatementImpl |
| NodeFactory | NodeFactoryImpl |
| - | AnyPatternImpl |
| StatementIterator | ArrayStatementIteratorImpl |
All interfaces and classes are originally from the Saft project.