code: protected void validateFunctionConfigurations(final Map<String, FunctionConfiguration> configMap) {
          info("");
          info(VALIDATE_CONFIG);
          if (configMap.size() == 0) {
              info(VALIDATE_SKIP);
          } else {
              configMap.values().forEach(config -> config.validate());
              info(VALIDATE_DONE);
          }
      }
docs: region Validate function configurations