code: @SuppressWarnings("unchecked")
      public GroovyObject instantiateDelegateWithBaseClass(Map closureMap, List<Class> interfaces, Object delegate, Class baseClass, String name) {
          Map<Object,Object> map = closureMap != null ? closureMap : EMPTY_CLOSURE_MAP;
          ProxyGeneratorAdapter adapter = createAdapter(map, interfaces, delegate.getClass(), baseClass);
  
          return adapter.delegatingProxy(delegate, map, (Object[])null);
      }
docs: Creates a proxy with a delegate object.
  
  @param closureMap the closure for methods not handled by the delegate
  @param interfaces interfaces to be implemented
  @param delegate the delegate object
  @param baseClass the base class
  @param name the name of the proxy, unused, but kept for compatibility with previous versions of Groovy.
  @return a proxy object implementing the specified interfaces, and delegating to the provided object