private List<String> _getValues(final String name) {
    List<String> values = headers.get(name);
    return values == null ? EMPTY_VALUES : values;
  }
Get the values associated to a header name.

@param name
         of the header.
@return the values associated to a header name.
crawler-commons/src/main/java/achecrawler/crawler/crawlercommons/util/Headers.java