TypeSystemReference

```
@Retention(CLASS)
@Target(TYPE)
public @interface TypeSystemReference
```
References a TypeSystem on a node. Must be applied on a Node class. At least one TypeSystem must be referenced in a Node's type hierarchy.

See Also:

TypeSystem, Node

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  java.lang.Class<?> value
  The TypeSystem java type.

- Element Detail
  - value
```
java.lang.Class<?> value
```
    The TypeSystem java type.