public 
    
      T getMapper(Class
     
       type, SqlSession sqlSession) {
      MapperProxyFactory mapperProxyFactory = (MapperProxyFactory)this.knownMappers.get(type);     if(mapperProxyFactory == null) {
  throw new BindingException("Type " + type + " is not known to the MapperRegistry.");     } else {
  try {
  return mapperProxyFactory.newInstance(sqlSession);         } catch (Exception var5) {
  throw new BindingException("Error getting mapper instance. Cause: " + var5, var5);         }     } }