| Class | Description |
|---|---|
| Enumeration.Validator | |
| EnumValue.Validator | |
| LongRange.Validator | |
| SingletonCollection.Validator |
| Annotation Type | Description |
|---|---|
| Enumeration | |
| EnumValue | |
| LongRange | |
| SingletonCollection |
This rule enables you to restrict a collection property to contain only zero or one elements.
|