/**
 * @module botbuilder-dialogs-adaptive
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
import { BotFrameworkClient, SkillConversationIdFactoryBase } from 'botbuilder';
import { DialogManager } from 'botbuilder-dialogs';
/**
 * The key to get or set skill client from turn state.
 */
export declare const skillClientKey: unique symbol;
/**
 * The key to get or set skill conversation id factory from turn state.
 */
export declare const skillConversationIdFactoryKey: unique symbol;
/**
 * Extension methods for skills.
 */
export declare class SkillExtensions {
    /**
     * Configures the skill client to use.
     *
     * @param dialogManager The dialog manager to add skill client to.
     * @param skillClient The skill client to be added.
     * @returns The existing dialog manager object with the new skill client state.
     */
    static useSkillClient(dialogManager: DialogManager, skillClient: BotFrameworkClient): DialogManager;
    /**
     * Configures the skill conversation id factory to use.
     *
     * @param dialogManager The dialog manager to add skill conversation id factory to.
     * @param skillConversationIdFactory The skill conversation id factory to be added.
     * @returns The existing dialog manager object with the new skill conversation factory state.
     */
    static useSkillConversationIdFactory(dialogManager: DialogManager, skillConversationIdFactory: SkillConversationIdFactoryBase): DialogManager;
}
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