import { TurnContext } from '@microsoft/agents-hosting';
import { Prompt, PromptOptions, PromptRecognizerResult, PromptValidator } from './prompt';
/**
 * Result returned by the {@link DateTimePrompt}.
 */
export interface DateTimeResolution {
    /**
       * TIMEX expression representing ambiguity of the recognized time.
       */
    timex: string;
    /**
       * Type of time recognized. Possible values are 'date', 'time', 'datetime', 'daterange',
       * 'timerange', 'datetimerange', 'duration', or 'set'.
       */
    type: string;
    /**
       * Value of the specified `type` that's a reasonable approximation given the ambiguity
       * of the `timex`.
       */
    value: string;
}
/**
 * Prompts a user to enter a datetime expression.
 *
 * @remarks
 * By default the prompt will return to the calling dialog a {@link DateTimeResolution | DateTimeResolution[] }.
 *
 */
export declare class DateTimePrompt extends Prompt<DateTimeResolution[]> {
    /**
       * The prompts default locale that should be recognized.
       */
    defaultLocale: string | undefined;
    /**
       * Creates a new DateTimePrompt 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<DateTimeResolution[]>, defaultLocale?: string);
    /**
       * 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 `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: any, options: PromptOptions, isRetry: boolean): Promise<void>;
    /**
       * Attempts to recognize the user's 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.
       * @returns A `Promise` representing the asynchronous operation.
       */
    protected onRecognize(context: TurnContext, _state: any, _options: PromptOptions): Promise<PromptRecognizerResult<DateTimeResolution[]>>;
}