/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
import { TurnContext } from '@microsoft/agents-hosting';
import { Dialog } from '../dialog';
import { DialogContext } from '../dialogContext';
import { PromptOptions, PromptRecognizerResult, PromptValidator } from './prompt';
import { DialogInstance } from '../dialogInstance';
import { DialogReason } from '../dialogReason';
import { DialogTurnResult } from '../dialogTurnResult';
import { Activity } from '@microsoft/agents-activity';
/**
 * Waits for an activity to be received.
 *
 * @remarks
 * This prompt requires a validator be passed in and is useful when waiting for non-message
 * activities like an event to be received. The validator can ignore received events until the
 * expected activity is received.
 */
export declare class ActivityPrompt extends Dialog {
    private validator;
    /**
       * Creates a new ActivityPrompt instance.
       *
       * @param dialogId Unique ID of the dialog within its parent `DialogSet` or `ComponentDialog`.
       * @param validator Validator that will be called each time a new activity is received.
       */
    constructor(dialogId: string, validator: PromptValidator<Activity>);
    /**
       * Called when a prompt dialog is pushed onto the dialog stack and is being activated.
       *
       * @param dialogContext The DialogContext for the current
       * turn of the conversation.
       * @param options PromptOptions, additional
       * information to pass to the prompt being started.
       * @returns A `Promise` representing the asynchronous operation.
       *
       * @remarks
       * If the promise is successful, the result indicates whether the prompt is still
       * active after the turn has been processed by the prompt.
       *
       */
    beginDialog(dialogContext: DialogContext, options: PromptOptions): Promise<DialogTurnResult>;
    /**
       * Called when a prompt dialog is the active dialog and the user replied with a new activity.
       *
       * @param dialogContext The DialogContext for the current
       * turn of conversation.
       * @returns A `Promise` representing the asynchronous operation.
       *
       * @remarks
       * If the promise is successful, the result indicates whether the dialog is still
       * active after the turn has been processed by the dialog.
       * The prompt generally continues to receive the user's replies until it accepts the
       * user's reply as valid input for the prompt.
       *
       */
    continueDialog(dialogContext: DialogContext): Promise<DialogTurnResult>;
    /**
       * Called when a prompt dialog resumes being the active dialog on the dialog stack, such as
       * when the previous active dialog on the stack completes.
       *
       * @param dialogContext The DialogContext for the current turn
       * of the conversation.
       * @param _reason DialogReason, an enum indicating why
       * the dialog resumed.
       * @param _result Optional. Value returned from the previous dialog on the stack.
       * The type of the value returned is dependent on the previous dialog.
       * @returns A `Promise` representing the asynchronous operation.
       */
    resumeDialog(dialogContext: DialogContext, _reason: DialogReason, _result?: any): Promise<DialogTurnResult>;
    /**
       * Called when a prompt dialog has been requested to re-prompt the user for input.
       *
       * @param context TurnContext, context for the current
       * turn of conversation with the user.
       * @param instance DialogInstance, the instance
       * of the dialog on the stack.
       * @returns A `Promise` representing the asynchronous operation.
       */
    repromptDialog(context: TurnContext, instance: DialogInstance): Promise<void>;
    /**
       * When overridden in a derived class, prompts the user for input.
       *
       * @param context TurnContext, context for the current
       * turn of conversation with the user.
       * @param state Contains state for the current instance of the prompt on the dialog stack.
       * @param options A PromptOptions object constructed
       * from the options initially provided in the call to Prompt.
       * @param isRetry A boolean representing if the prompt is a retry.
       * @returns A `Promise` representing the asynchronous operation.
       */
    protected onPrompt(context: TurnContext, state: object, options: PromptOptions, isRetry: boolean): Promise<void>;
    /**
       * When overridden in a derived class, attempts to recognize the incoming Activity.
       *
       * @param context TurnContext, context for the current
       * turn of conversation with the user.
       * @param _state Contains state for the current instance of the prompt on the dialog stack.
       * @param _options A PromptOptions object constructed
       * from the options initially provided in the call to Prompt.
       * @returns A `Promise` representing the asynchronous operation.
       */
    protected onRecognize(context: TurnContext, _state: object, _options: PromptOptions): Promise<PromptRecognizerResult<Activity>>;
}