2021-05-18 14:54:48 +08:00
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%%--------------------------------------------------------------------
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2022-12-29 18:13:09 +08:00
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%% Copyright (c) 2019-2022 EMQ Technologies Co., Ltd. All Rights Reserved.
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2021-05-18 14:54:48 +08:00
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-type(maybe(T) :: undefined | T).
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-type(startlink_ret() :: {ok, pid()} | ignore | {error, term()}).
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-type(ok_or_error(Reason) :: ok | {error, Reason}).
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-type(ok_or_error(Value, Reason) :: {ok, Value} | {error, Reason}).
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-type(mfargs() :: {module(), atom(), [term()]}).
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