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-rw-r--r--src/cowboy.erl3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cowboy.erl b/src/cowboy.erl
index 257172d..d9e32e7 100644
--- a/src/cowboy.erl
+++ b/src/cowboy.erl
@@ -20,6 +20,9 @@
-export([stop_listener/1]).
-export([set_env/3]).
+-type http_version() :: 'HTTP/1.1' | 'HTTP/1.0'.
+-export_type([http_version/0]).
+
%% @doc Start an HTTP listener.
-spec start_http(any(), non_neg_integer(), any(), any()) -> {ok, pid()}.
start_http(Ref, NbAcceptors, TransOpts, ProtoOpts)