// Copyright 2017 TiKV Project Authors.//// 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,// See the License for the specific language governing permissions and// limitations under the License.packagekv// Base is an abstract interface for load/save pd cluster data.typeBaseinterface{Load(keystring)(string,error)Save(key,valuestring)errorRemove(keystring)error}