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// Copyright 2014 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.
/**
* @fileoverview Interface definition for a class which evaluates speech rules.
*
* A speech rule evaluator knows how to generate a description given a node and
* a speech rule.
*/
goog.provide('cvox.SpeechRuleEvaluator');
goog.require('cvox.SpeechRule');
/**
* @interface
*/
cvox.SpeechRuleEvaluator = goog.abstractMethod;
/**
* Default evaluation of a node if no speech rule is applicable.
* @param {!Node} node The target node (or root of subtree).
* @return {!Array<cvox.NavDescription>} The resulting description.
*/
cvox.SpeechRuleEvaluator.prototype.evaluateDefault = goog.abstractMethod;
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