vendor: add qingstor-sdk-go for QingStor

vendor/github.com/yunify/qingstor-sdk-go/request/data/validation.go

@@ -0,0 +1,22 @@
+// +-------------------------------------------------------------------------
+// | Copyright (C) 2016 Yunify, Inc.
+// +-------------------------------------------------------------------------
+// | Licensed under the Apache License, Version 2.0 (the "License");
+// | you may not use this work except in compliance with the License.
+// | You may obtain a copy of the License in the LICENSE file, or 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.
+// +-------------------------------------------------------------------------
+
+package data
+
+// Validation defines the validate interface.
+type Validation interface {
+	Validate() error
+}