chromium/components/segmentation_platform/public/proto/types.proto

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";
option optimize_for = LITE_RUNTIME;

package segmentation_platform.proto;

// Used to distinguish between different types of signals.
enum SignalType {
  UNKNOWN_SIGNAL_TYPE = 0;
  USER_ACTION = 1;
  HISTOGRAM_ENUM = 2;
  HISTOGRAM_VALUE = 3;
  UKM_EVENT = 4;
}