code: static List<Param> findStaticFormParams(InvocationContext context) {
  		 
  		 Method request = assertNotNull(context).getRequest();
  		 
  		 FormParams formParams = request.getAnnotation(FormParams.class);
  		 
  		 return Collections.unmodifiableList(formParams != null? 
  				 Arrays.asList(formParams.value()) : new ArrayList<Param>());
  	 }
docs: <p>Finds all <b><i>constant</i> form parameters</b> in the given {@link InvocationContext}.</p>
  <p>Constant form parameters are introduced with @{@link Param} at <b>request level</b> using
  the @{@link FormParams} annotation.</p>
  
  @param context
  the {@link InvocationContext} from which all {@link FormParams} annotations applied
  on the endpoint method will be extracted
  <br><br>
  @return an <b>unmodifiable</b> {@link List} which aggregates all the @{@link Param} annotations
  found on the {@link FormParams} annotation
  <br><br>
  @throws NullPointerException
  if the supplied {@link InvocationContext} was {@code null}
  <br><br>
  @since 1.3.0