code: public static boolean hasFXBindableAnnotation(AnnotatedNode node) {
          for (AnnotationNode annotation : node.getAnnotations()) {
              if (FXBINDABLE_CNODE.equals(annotation.getClassNode())) {
                  return true;
              }
          }
          return false;
      }
docs: Convenience method to see if an annotated node is {@code @FXBindable}.
  
  @param node the node to check
  @return true if the node is observable