@SuppressWarnings("unchecked")
  public <T extends Enum> T getEnumMemberValue(
      AnnotationNode node, String name, Class<T> type, T defaultValue) {
    if (node == null) return defaultValue;

    final PropertyExpression member = (PropertyExpression) node.getMember(name);
    if (member == null) return defaultValue;

    if (!type.equals(member.getObjectExpression().getType().getTypeClass())) return defaultValue;

    try {
      String value = member.getPropertyAsString();
      Method fromString = type.getMethod("valueOf", String.class);
      return (T) fromString.invoke(null, value);
    } catch (Exception e) {
      return defaultValue;
    }
  }
 public void visitPropertyExpression(PropertyExpression expression) {
   expression.getObjectExpression().visit(this);
   expression.getProperty().visit(this);
 }