code: public static Header[] parseHeaders(InputStream is) throws IOException, HttpException {
          LOG.trace("enter HeaderParser.parseHeaders(InputStream, String)");
          return parseHeaders(is, "US-ASCII");
      }
docs: Parses headers from the given stream.  Headers with the same name are not
  combined.
  
  @param is the stream to read headers from
  
  @return an array of headers in the order in which they were parsed
  
  @throws IOException if an IO error occurs while reading from the stream
  @throws HttpException if there is an error parsing a header value
  
  @deprecated use #parseHeaders(InputStream, String)