public static String serializeSqlStmts(List<String> sqlStmts) {
    Validate.notEmpty(sqlStmts, "json Value is not set or empty");
    return JsonUtil.toJson(sqlStmts);
  }
Class representing the Samza SQL application config
samza-sql/src/main/java/org/apache/samza/sql/runner/SamzaSqlApplicationConfig.java