private String getResult(STGroup testGroup, String queryName) {
        final ST template = testGroup.getInstanceOf(queryName + "Result");
        assertThat(template).withFailMessage("Result template for query %s was not found!", queryName).isNotNull();
        return template.render();
    }
Examples from <a href="https://www.postgresql.org/docs/current/static/functions-json.html">Postgres JSON Functions</a>. Escaping rules from <a
href="https://jdbc.postgresql.org/documentation/head/statement.html">Postgres Prepared Statements</a>.
postgres/src/test/java/org/jdbi/v3/postgres/TestJsonOperator.java