code: public static void toStream(final HttpConfig config, final String contentType, final OutputStream ostream) {
          config.context(contentType, ID, ostream);
          config.getResponse().parser(contentType, Download::streamParser);
      }
docs: Downloads the content into an `OutputStream` with the specified content type.
  
  @param config the `HttpConfig` instance
  @param ostream the `OutputStream` to contain the content.
  @param contentType the content type