docs: @SuppressWarnings("nls")
      protected JsonObject parseConfig(JdbcOptionsBean config) {
          JsonObject jsonConfig = new JsonObject();
          nullSafePut(jsonConfig, "provider_class", HikariCPDataSourceProvider.class.getCanonicalName()); // Vert.x thing
          nullSafePut(jsonConfig, "jdbcUrl", config.getJdbcUrl());
          nullSafePut(jsonConfig, "username", config.getUsername());
          nullSafePut(jsonConfig, "password", config.getPassword());
          nullSafePut(jsonConfig, "autoCommit", config.isAutoCommit());
          nullSafePut(jsonConfig, "connectionTimeout", config.getConnectionTimeout());
          nullSafePut(jsonConfig, "idleTimeout", config.getIdleTimeout());
          nullSafePut(jsonConfig, "maxLifetime", config.getMaxLifetime());
          nullSafePut(jsonConfig, "minimumIdle", config.getMinimumIdle());
          nullSafePut(jsonConfig, "maximumPoolSize", config.getMaximumPoolSize());
          nullSafePut(jsonConfig, "poolName", config.getPoolName());
  
          JsonObject dsProperties = new JsonObject();
  
          for (Entry<String, Object> entry : config.getDsProperties().entrySet()) {
              dsProperties.put(entry.getKey(), entry.getValue());
          }
  
          jsonConfig.put("properties", dsProperties);
          return jsonConfig;
      }