/**
 * @module botbuilder-ai
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Enumeration of types of ranking.
 */
export declare enum RankerTypes {
    /**
     * Default Ranker Behaviour. i.e. Ranking based on Questions and Answer.
     */
    default = "Default",
    /**
     * Ranker based on question Only.
     */
    questionOnly = "QuestionOnly",
    /**
     * Ranker based on Autosuggest for question field Only.
     */
    autoSuggestQuestion = "AutoSuggestQuestion"
}
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