docs: private Request<PutMediaRequest> marshall(PutMediaRequest request) {
          Request<PutMediaRequest> marshalled = new PutMediaRequestProtocolMarshaller(protocolFactory).marshall(request);
          marshalled.setEndpoint(endpoint);
          marshalled.addHeader(HttpHeaderNames.TRANSFER_ENCODING.toString(), HttpHeaderValues.CHUNKED.toString());
          return marshalled;
      }