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-rw-r--r--src/cowboy_sub_protocol.erl6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/cowboy_sub_protocol.erl b/src/cowboy_sub_protocol.erl
index e068b0b..6714289 100644
--- a/src/cowboy_sub_protocol.erl
+++ b/src/cowboy_sub_protocol.erl
@@ -15,6 +15,10 @@
-module(cowboy_sub_protocol).
--callback upgrade(Req, Env, module(), any(), timeout(), run | hibernate)
+-callback upgrade(Req, Env, module(), any())
+ -> {ok, Req, Env} | {suspend, module(), atom(), [any()]} | {stop, Req}
+ when Req::cowboy_req:req(), Env::cowboy_middleware:env().
+
+-callback upgrade(Req, Env, module(), any(), any())
-> {ok, Req, Env} | {suspend, module(), atom(), [any()]} | {stop, Req}
when Req::cowboy_req:req(), Env::cowboy_middleware:env().