public static void main(String[] args) {
        List<String> relatedFieldApiNames = new ArrayList<>();
        relatedFieldApiNames.add("a");
        relatedFieldApiNames.add("b");
        relatedFieldApiNames.add("c");
        StringJoiner joiner = new StringJoiner(",");
        for (String fieldApiName : relatedFieldApiNames) {
            joiner.add("\"" + fieldApiName + "\"");
        }
        System.out.println(joiner.toString());
    }