// Copyright (c) Meta Platforms, Inc. and affiliates.
// This source code is licensed under the BSD 3-Clause License found in the
// LICENSE file in the root directory of this source tree.

syntax = "proto2";

message TransportEvent {
  message Placeholder {
    enum Type {
      DECRYPTION_FAILURE = 1;
      UNAVAILABLE_MESSAGE = 2;
    }
    optional Type type = 1;
  }
  message Event {
    message DeviceChange {
      enum Type {
        ADDED = 1;
        REMOVED = 2;
        REPLACED = 3;
      }
      optional Type type = 1;
      optional string device_name = 2;
    }
    oneof event {
      DeviceChange device_change = 1;
    }
  }
  oneof content {
    Placeholder placeholder = 1;
    Event event = 2;
  }
}