public static String getDatabaseRuleVersionNode(final String databaseName, final String ruleName, final String key, final String version) {
        return String.join("/", getDatabaseRuleNode(databaseName, ruleName), key, VERSIONS, version);
    }
@Test
    void assertGetDatabaseRuleVersionNode() {
        assertThat(DatabaseRuleMetaDataNode.getDatabaseRuleVersionNode("foo_db", "foo_rule", "foo_tables", "1"), is("/metadata/foo_db/rules/foo_rule/foo_tables/versions/1"));
    }