code: static Map<ConfigKey, String> convertToConfigMap(Map<String, String> pParams) {
          Map<ConfigKey,String> config = new HashMap<ConfigKey, String>();
          if (pParams != null) {
              for (Map.Entry<String,?> entry : pParams.entrySet()) {
                  ConfigKey cKey = ConfigKey.getRequestConfigKey(entry.getKey());
                  if (cKey != null) {
                      Object value = entry.getValue();
                      config.put(cKey, value != null ? value.toString() : null);
                  }
              }
          }
          return config;
      }
docs: map to a ConfigKey are filtered out