1 files changed, 41 insertions, 1 deletions
diff --git a/lib/edoc/test/edoc_SUITE_data/map_module.erl b/lib/edoc/test/edoc_SUITE_data/map_module.erl
index 94ee7e6f26..f242721637 100644
--- a/lib/edoc/test/edoc_SUITE_data/map_module.erl
+++ b/lib/edoc/test/edoc_SUITE_data/map_module.erl
@@ -1,6 +1,6 @@
 -module(map_module).
 
--export([foo1/1,foo2/3]).
+-export([foo1/1,foo2/3,start_child/2]).
 
 %% @type wazzup() = integer()
 %% @type some_type() = map()
@@ -25,3 +25,43 @@ foo1(#{ a:= 1, b := V}) -> V.
     Map :: #{ get => 'value', 'value' => binary()}) -> binary().
 
 foo2(Type1, {a,#{ "a" := _}}, #{get := value, value := B}) when is_map(Type1) -> B.
+
+%% from supervisor 18.0
+
+-type child()    :: 'undefined' | pid().
+-type child_id() :: term().
+-type mfargs()   :: {M :: module(), F :: atom(), A :: [term()] | undefined}.
+-type modules()  :: [module()] | 'dynamic'.
+-type restart()  :: 'permanent' | 'transient' | 'temporary'.
+-type shutdown() :: 'brutal_kill' | timeout().
+-type worker()   :: 'worker' | 'supervisor'.
+-type sup_ref()  :: (Name :: atom())
+                  | {Name :: atom(), Node :: node()}
+                  | {'global', Name :: atom()}
+                  | {'via', Module :: module(), Name :: any()}
+                  | pid().
+-type child_spec() :: #{name => child_id(),     % mandatory
+			start => mfargs(),      % mandatory
+			restart => restart(),   % optional
+			shutdown => shutdown(), % optional
+			type => worker(),       % optional
+			modules => modules()}   % optional
+                    | {Id :: child_id(),
+                       StartFunc :: mfargs(),
+                       Restart :: restart(),
+                       Shutdown :: shutdown(),
+                       Type :: worker(),
+                       Modules :: modules()}.
+
+-type startchild_err() :: 'already_present'
+			| {'already_started', Child :: child()} | term().
+-type startchild_ret() :: {'ok', Child :: child()}
+                        | {'ok', Child :: child(), Info :: term()}
+			| {'error', startchild_err()}.
+
+
+-spec start_child(SupRef, ChildSpec) -> startchild_ret() when
+      SupRef :: sup_ref(),
+      ChildSpec :: child_spec() | (List :: [term()]).
+start_child(Supervisor, ChildSpec) ->
+    {Supervisor,ChildSpec}.