From 48fc6ff5f6fcf4e1cace205e9ce120a3232a68bb Mon Sep 17 00:00:00 2001
From: Luca Favatella <luca.favatella@erlang-solutions.com>
Date: Thu, 17 Sep 2015 23:44:40 +0100
Subject: Clarify that dialyzer_callgraph:callgraph() type is opaque

---
 lib/dialyzer/src/dialyzer_callgraph.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl
index ede29b42bc..211242e506 100644
--- a/lib/dialyzer/src/dialyzer_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_callgraph.erl
@@ -122,7 +122,7 @@
 
 %% Exported Types
 
--type callgraph() :: #callgraph{}.
+-opaque callgraph() :: #callgraph{}.
 
 -type active_digraph() :: {'d', digraph:graph()} | {'e', ets:tid(), ets:tid()}.
 
-- 
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