Validate (HAPI FHIR - Core Library 4.2.0 API)

```
@Retention(RUNTIME)
@Target(METHOD)
public @interface Validate
```
RESTful method annotation to be used for the FHIR validate method.
Validate is used to accept a resource, and test whether it would be acceptable for storing (e.g. using an update or create method)

FHIR Version Note: The validate operation was defined as a type operation in DSTU1 using a URL syntax like http://example.com/Patient/_validate. In DSTU2, validation has been switched to being an extended operation using a URL syntax like http://example.com/Patient/$validate, with a n

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  Class<? extends IBaseResource> type
  The return type for this method.

- Element Detail
  - type
```
Class<? extends IBaseResource> type
```
    The return type for this method. This generally does not need to be populated for a server implementation (using an IResourceProvider, since resource providers will return only one resource type per class, but generally does need to be populated for client implementations.
    
    Default:
    
    org.hl7.fhir.instance.model.api.IBaseResource.class