/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
import { TurnContext } from '@microsoft/agents-hosting';
import { Prompt, PromptOptions, PromptRecognizerResult, PromptValidator } from './prompt';
/**
 * Prompts a user to enter a number.
 *
 * @remarks
 * By default the prompt will return to the calling dialog a `number` representing the users input.
 *
 */
export declare class NumberPrompt extends Prompt<number> {
    /**
       * The prompts default locale that should be recognized.
       */
    defaultLocale?: string;
    /**
       * Creates a new NumberPrompt instance.
       *
       * @param dialogId Unique ID of the dialog within its parent {@link DialogSet} or {@link ComponentDialog}.
       * @param validator (Optional) validator that will be called each time the user responds to the prompt.
       * @param defaultLocale (Optional) locale to use if the `TurnContext.activity.locale` is not specified. Defaults to a value of `en-us`.
       */
    constructor(dialogId: string, validator?: PromptValidator<number>, defaultLocale?: string);
    /**
       * Prompts the user for input.
       *
       * @param context {@link 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 {@link PromptOptions} object constructed
       * from the options initially provided in the call to Prompt.
       * @param isRetry `true` if this is the first time this prompt dialog instance
       * on the stack is prompting the user for input; otherwise, false.
       * @returns A `Promise` representing the asynchronous operation.
       */
    protected onPrompt(context: TurnContext, state: unknown, options: PromptOptions, isRetry: boolean): Promise<void>;
    /**
       * Attempts to recognize the user's input.
       *
       * @param context {@link 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 {@link 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: unknown, _options: PromptOptions): Promise<PromptRecognizerResult<number>>;
    /**
       * @private
       * The portions of the Globalize parsing library we use only need the first letters for internationalization culture
       */
    private getCultureFormattedForGlobalize;
}