@Retention(value=RUNTIME)
@Target(value=TYPE_USE)
@Documented
public @interface JsNonNull
null
value.
Note that JsNonNull can only be used in a JsConstructor, a JsMethod, a JsProperty or a JsFunction method.
This annotation is informational in the GWT compiler but other compilers or tools might use it for example to annotate types in the output JavaScript program.