File: signal.proto

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// 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;

// Represents the signal data collected during a certain time range.
message SignalData {
  // The list of samples during the time range.
  repeated Sample samples = 1;
}

// Represents the signal data sample for a single timestamp.
message Sample {
  // The value of the histogram sample. Not provided for user actions.
  optional int32 value = 1;

  // Timestamp relative to the start of the UTC day. This results in a smaller
  // value which can be efficiently stored in the proto.
  optional int32 time_sec_delta = 2;
}