[Flags] |
| All | #all. Refers to all derivation methods. |
| Empty | Override default derivation method to allow any derivation. |
| Extension | Refers to derivations by Extension. |
| List | Refers to derivations by List. |
| None | |
| Restriction | Refers to derivations by Restriction. |
| Substitution | Refers to derivations by Substitution. |
| Union | Refers to derivations by Union. |
Hierarchy: