// Copyright (C) 2020  Christian Felde

// 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.

pragma solidity ^0.5.0;

contract ISimpleMap {
    function get(bytes memory key) public view returns (bytes memory value);

    function put(bytes memory key, bytes memory newValue) public;

    function remove(bytes memory key) public;
}