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// Copyright 2021 The Chromium Authors. All rights reserved.
// 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;
option java_package = "org.chromium.components.optimization_guide.proto";
option java_outer_classname = "PageTopicsModelMetadataProto";
package optimization_guide.proto;
enum PageTopicsSupportedOutput {
PAGE_TOPICS_SUPPORTED_OUTPUT_UNKNOWN = 0;
// Supports evaluating whether page content is FLoC-protected.
PAGE_TOPICS_SUPPORTED_OUTPUT_FLOC_PROTECTED = 1;
// Supports evaluating categories of page content.
PAGE_TOPICS_SUPPORTED_OUTPUT_CATEGORIES = 2;
}
message PageTopicsFlocProtectedPostprocessingParams {
// The name of the category to evaluate whether page content is
// FLoC-protected.
optional string category_name = 1;
}
message PageTopicsCategoryPostprocessingParams {
// Output at most max_categories, and only those with min_category_weight.
optional int32 max_categories = 1;
// The minimum weight a category must have for it to be in the output.
optional float min_category_weight = 2;
// The minimum weight after category weights are normalized that the top N
// categories must have.
optional float min_normalized_weight_within_top_n = 3;
// The minimum weight for the NONE label has to be to remove all labels.
optional float min_none_weight = 4;
}
message PageTopicsOutputPostprocessingParams {
// The parameters to use to post-process how FLoC-protected the page content
// is.
//
// Will only be included if PAGE_TOPICS_SUPPORTED_OUTPUT_FLOC_PROTECTED is
// supported by the model.
optional PageTopicsFlocProtectedPostprocessingParams floc_protected_params =
1;
// The parameters to use to post-process categories.
//
// Will only be included if PAGE_TOPICS_SUPPORTED_OUTPUT_CATEGORIES is
// supported by the model.
optional PageTopicsCategoryPostprocessingParams category_params = 2;
}
message PageTopicsModelMetadata {
// The version of the model sent by the server, and thus, will only be
// populated by the server.
optional int64 version = 1;
// The supported output.
//
// If sent by the client, this represents the output that the client knows
// how to support. If sent by the server, this represents the outputs of the
// model.
repeated PageTopicsSupportedOutput supported_output = 2;
// A set of postprocessing parameters per supported output and will only be
// populated by the server.
optional PageTopicsOutputPostprocessingParams output_postprocessing_params =
3;
}
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