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// Copyright 2023 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";
option optimize_for = LITE_RUNTIME;
option java_package = "org.chromium.components.optimization_guide.proto";
option java_outer_classname = "ModelExecutionProto";
package optimization_guide.proto;
import "components/optimization_guide/proto/descriptors.proto";
enum RedactBehavior {
// No redaction.
REDACT_BEHAVIOR_UNSPECIFIED = 0;
// Results in rejecting the output entirely.
REJECT = 1;
// Redacts the text if only in the output (not in the redact input string).
REDACT_IF_ONLY_IN_OUTPUT = 2;
// Redacts regardless of whether it occurs in the input or not.
REDACT_ALWAYS = 3;
}
message RedactRule {
RedactBehavior behavior = 1;
string regex = 2;
// If supplied, replaces the matching string.
string replacement_string = 3;
// The minimum length required for the pattern to be considered a match.
int32 min_pattern_length = 4;
// The maximum length required for the pattern to be considered a match.
int32 max_pattern_length = 5;
// Specifies a group in the regular expression to be used for matching. Note
// that group 0 is the whole match, so the value supplied is generally > 0.
int32 group_index = 6;
// TODO: add support for replacement character.
}
// Applies a set of rules to a field.
message RedactRules {
// Identifies the field to be checked for redaction (see
// REDACT_IF_ONLY_IN_OUTPUT). The first ProtoField that identifies a
// non-empty string is used.
repeated ProtoField fields_to_check = 1;
// The set of regular exrepssions to check. When checking the regular
// expressions all are checked, unless one matches with a behavior of REJECT,
// in which case no need to continue.
repeated RedactRule rules = 2;
}
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