code: public static Header fromRawHeader(com.google.gwt.http.client.Header rawHeader) {
          final String name = rawHeader.getName().toUpperCase();
          final String value = rawHeader.getValue();
  
          if ("CONTENT-TYPE".equals(name))
              return new ContentTypeHeader(value);
  
          if ("LINK".equals(name))
              return new LinkHeader(parseHeaderValue(value));
  
          return new SimpleHeader(name, value);
      }
docs: Factory method useful to create headers from original GWT {@link com.google.gwt.http.client.Response}.
  <p/>
  It should be used by {@link io.reinert.requestor.RequestDispatcher} impls when receiving responses.
  
  @param rawHeader  The original GWT header
  
  @return  The parsed header