| Annotation Type | Description | 
|---|---|
| DefaultNamespace | 
 Annotation corresponding to the default namespace of a class 
 | 
| Namespace | 
 Define the namespace of a property 
 | 
| Optional | 
 Indicate if the field is optional 
 | 
| Service | 
 Remote Endpoint URL associated with an object 
 | 
| URI | 
 Annotation indicating the URI of an object 
 |