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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2018. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(persistent_term).
+
+-export([erase/1,get/0,get/1,info/0,put/2]).
+
+-type key() :: term().
+-type value() :: term().
+
+-spec erase(Key) -> Result when
+ Key :: key(),
+ Result :: boolean().
+erase(_Key) ->
+ erlang:nif_error(undef).
+
+-spec get() -> List when
+ List :: [{key(),value()}].
+get() ->
+ erlang:nif_error(undef).
+
+-spec get(Key) -> Value when
+ Key :: key(),
+ Value :: value().
+get(_Key) ->
+ erlang:nif_error(undef).
+
+-spec info() -> Info when
+ Info :: #{'count':=Count,'memory':=Memory},
+ Count :: non_neg_integer(),
+ Memory :: non_neg_integer().
+info() ->
+ erlang:nif_error(undef).
+
+-spec put(Key, Value) -> 'ok' when
+ Key :: key(),
+ Value :: value().
+put(_Key, _Value) ->
+ erlang:nif_error(undef).