| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // Protocol messages used to record the state of the model type store for USS. |
| // At the time of writing, the model type store uses leveldb, a schemaless |
| // key-value store. This means that the database's schema is mostly implicit. |
| // This descriptor isn't intended to fully describe the schema, just keep track |
| // of which major changes have been applied. |
| |
| syntax = "proto2"; |
| |
| option optimize_for = LITE_RUNTIME; |
| |
| package sync_pb; |
| |
| message ModelTypeStoreSchemaDescriptor { |
| optional int64 version_number = 1; |
| } |