/**
 * @module botbuilder-dialogs
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Represents the events related to the "lifecycle" of the dialog.
 */
export declare class DialogEvents {
    /**
     * Event fired by a dialog to indicate that its `beginDialog()` method has been called.
     */
    static readonly beginDialog = "beginDialog";
    /**
     * Event fired when `DialogContext.repromptDialog()` is called.
     */
    static readonly repromptDialog = "repromptDialog";
    /**
     * Event fired when a dialog is being canceled.
     */
    static readonly cancelDialog = "cancelDialog";
    /**
     * Event fired when an activity is received from the adapter (or a request to reprocess an activity.)
     */
    static readonly activityReceived = "activityReceived";
    /**
     * Event fired when the system has detected that deployed code has changed the execution of dialogs between turns.
     */
    static readonly versionChanged = "versionChanged";
    /**
     * Event fired when there was an exception thrown in the system.
     */
    static readonly error = "error";
}
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