# Copyright (C) 2019-2020 Zilliz. 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.