code: @Override
      public XMLValidationSchema createSchema(InputStream in, String encoding,
      		String publicId, String systemId)
          throws XMLStreamException
      {
          ReaderConfig rcfg = createPrivateReaderConfig();
          return doCreateSchema(rcfg, StreamBootstrapper.getInstance
          		(publicId, SystemId.construct(systemId), in), publicId, systemId, null);
      }
docs: /*
  //////////////////////////////////////////////////////////
  Stax2, Factory methods
  //////////////////////////////////////////////////////////