public String get(final String name) {
    List<String> values = headers.get(name);
    return values == null ? null : values.get(0);
  }
Get the value associated to a header name. If many values are associated
to the specified name, then the first one is returned.

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