diff --git a/grpcWSGI/server.py b/grpcWSGI/server.py
index 4a58aa7..694b38d 100644
--- a/grpcWSGI/server.py
+++ b/grpcWSGI/server.py
@@ -11,7 +11,7 @@
 )
 
 
-class grpcWSGI:
+class grpcWSGI(grpc.Server):
     """
     WSGI Application Object that understands gRPC-Web.
 
@@ -26,6 +26,18 @@ def __init__(self, application):
     def add_generic_rpc_handlers(self, handlers):
         self._handlers.extend(handlers)
 
+    def add_insecure_port(self, port):
+        raise NotImplementedError()
+
+    def add_secure_port(self, port):
+        raise NotImplementedError()
+
+    def start(self):
+        raise NotImplementedError()
+
+    def stop(self):
+        raise NotImplementedError()
+
     def _get_rpc_handler(self, environ):
         path = environ["PATH_INFO"]