--- /dev/null
+// Copyright 2018 Google LLC.
+//
+// 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.
+//
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api;api";
+option java_multiple_files = true;
+option java_outer_classname = "LaunchStageProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+// The launch stage as defined by [Google Cloud Platform
+// Launch Stages](http://cloud.google.com/terms/launch-stages).
+enum LaunchStage {
+ // Do not use this default value.
+ LAUNCH_STAGE_UNSPECIFIED = 0;
+
+ // Early Access features are limited to a closed group of testers. To use
+ // these features, you must sign up in advance and sign a Trusted Tester
+ // agreement (which includes confidentiality provisions). These features may
+ // be unstable, changed in backward-incompatible ways, and are not
+ // guaranteed to be released.
+ EARLY_ACCESS = 1;
+
+ // Alpha is a limited availability test for releases before they are cleared
+ // for widespread use. By Alpha, all significant design issues are resolved
+ // and we are in the process of verifying functionality. Alpha customers
+ // need to apply for access, agree to applicable terms, and have their
+ // projects whitelisted. Alpha releases don’t have to be feature complete,
+ // no SLAs are provided, and there are no technical support obligations, but
+ // they will be far enough along that customers can actually use them in
+ // test environments or for limited-use tests -- just like they would in
+ // normal production cases.
+ ALPHA = 2;
+
+ // Beta is the point at which we are ready to open a release for any
+ // customer to use. There are no SLA or technical support obligations in a
+ // Beta release. Products will be complete from a feature perspective, but
+ // may have some open outstanding issues. Beta releases are suitable for
+ // limited production use cases.
+ BETA = 3;
+
+ // GA features are open to all developers and are considered stable and
+ // fully qualified for production use.
+ GA = 4;
+
+ // Deprecated features are scheduled to be shut down and removed. For more
+ // information, see the “Deprecation Policy” section of our [Terms of
+ // Service](https://cloud.google.com/terms/)
+ // and the [Google Cloud Platform Subject to the Deprecation
+ // Policy](https://cloud.google.com/terms/deprecation) documentation.
+ DEPRECATED = 5;
+}