upgrade.rbs in httpx-0.23.0

- old
+ new

@@ -1,19 +1,21 @@
 module HTTPX
   module Plugins
     module Upgrade
-      type handlers_registry = Registry[Symbol, Class]
+      interface _Upgrader
+        def call: (Connection connection, Request request, Response response) -> void
+      end
 
       def self.configure: (singleton(Session)) -> void
 
       interface _UpgradeOptions
-        def upgrade_handlers: () -> handlers_registry?
+        def upgrade_handlers: () -> Hash[String, _Upgrader]
       end
 
       def self.extra_options: (Options) -> (Options & _UpgradeOptions)
 
       module ConnectionMethods
-        attr_reader upgrade_protocol: Symbol?
+        attr_reader upgrade_protocol: String?
         attr_reader hijacked: boolish
 
         def hijack_io: () -> void
       end
     end