docs: public <T> T evaluateExpressionGet(FacesContext context, String expression, Class<? extends T> expectedType)
                      throws ELException
      {
          Application application = getMyfacesApplicationInstance(context);
          if (application != null)
          {
              return application.evaluateExpressionGet(context, expression, expectedType);
          }
          throw new UnsupportedOperationException();
      }