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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto3";
package permissions;
option optimize_for = LITE_RUNTIME;
// This message is used to provide metadata that is important for AIv3 models to
// the chromium client. More information at go/permissions-ai-dd. Please update
// the google3 version of this proto as well if you change this file.
message PermissionsAiv3ModelMetadata {
// Message used to store the thresholds to convert the ML output to the
// PermissionRequestRelevance values defined in chromium source code:
// components/permissions/permission_request_enums.h
message RelevanceThresholds {
// The likelihood will be discretized to "kVeryLow" for scores in range
// [ 0, min_low_relevance ).
optional float min_low_relevance = 1;
// The likelihood will be discretized to "kLow" for scores in range
// [ min_low_relevance, min_medium_relevance ).
optional float min_medium_relevance = 2;
// The likelihood will be discretized to "kMedium" for scores in range
// [ min_medium_relevance, min_high_relevance ).
optional float min_high_relevance = 3;
// The likelihood will be discretized to "kHigh" for scores in range
// [ min_high_relevance, min_very_high_relevance ).
optional float min_very_high_relevance = 4;
// The likelihood will be discretized to "kVeryHigh" for scores in range
// [ min_very_high_relevance, 1 ].
}
// Enum used to specify the web permission that the model is trained on.
enum PermissionType {
// Unspecified permission type.
PERMISSION_TYPE_UNSPECIFIED = 0;
// The model has been trained on notification permissions.
NOTIFICATIONS_PERMISSION = 1;
// The model has been trained on geolocation permissions.
GEOLOCATION_PERMISSION = 2;
}
// The permission type that the model is trained on.
optional PermissionType permission_type = 1;
// Thresholds used to discretized the permission relevance scores.
optional RelevanceThresholds relevance_thresholds = 2;
}
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