// Copyright 2026 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// This file was exported from google3, do not edit manually.
// See README.chromium for details.

edition = "2023";

option optimize_for = LITE_RUNTIME;
option java_package = "org.chromium.components.metrics";

option java_outer_classname = "MetricsNameMappingOuterClass";

package metrics;  // This file is the source of truth and is exported to Chromium via
// proto_export.py.

// MetricsNameMappingConfiguration is used to specify metric filtering or
// mapping rules for UMA metrics.
message MetricsNameMappingConfiguration {
  // Ordered array of evaluation rules. Metrics from specified process types
  // not matching any rule are dropped if the mapping feature is enabled.
  repeated MetricsNameMapping rules = 1;
}

message MetricsNameMapping {
  // The metric name this rule applies to. Must be an exact match.
  // Wildcards are NOT supported.
  string metric_name = 1;

  // Optional string to replace the original name with if allowed.
  string new_metric_name = 2;
}