Working on redmine task #3549

        return Optional.of(node);

    }

    public Optional<String> deleteNode(String path) {

        // To be filled

        // In case of failure return empty object to trigger HTTP 500 

        // status code for InternalFault

        return Optional.of("OK");

    }

    private String getFirstLevelChildrenSelector(String path) {

        String select = "(SELECT path FROM node WHERE node_id = (SELECT node_id FROM node_vos_path WHERE vos_path = ?))::varchar || '";