import { BaseComponentProps } from '../internal/base-component';
import { FormFieldValidationControlProps } from '../internal/context/form-field-context';
import { ExpandToViewport } from '../internal/components/dropdown/interfaces';
import { NonCancelableEventHandler } from '../internal/events';
export interface DatePickerProps extends BaseComponentProps, FormFieldValidationControlProps, ExpandToViewport {
    /**
     * The current input value, in YYYY-MM-DD format.
     */
    value: string;
    /**
     * Specifies the placeholder text rendered when the value is an empty string.
     */
    placeholder?: string;
    /**
     * Defines whether a particular date is enabled in the calendar or not.
     * If you disable a date in the calendar, users can still enter this date using a keyboard.
     * We recommend that you also validate these constraints on the client-side and server-side
     * as you would for other form elements.
     * @param date
     */
    isDateEnabled?: DatePickerProps.IsDateEnabledFunction;
    /**
     * Specifies the locale to use to render month names and determine the starting day of the week.
     * If you don't provide this, the locale is determined by the page and browser locales.
     * Supported values and formats are listed in the
     * [JavaScript Intl API specification](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation).
     */
    locale?: string;
    /**
     * Determines the starting day of the week. The values 0-6 map to Sunday-Saturday.
     * By default the starting day of the week is defined by the locale, but you can use this property to override it.
     */
    startOfWeek?: number;
    /**
     * Used as part of the `aria-label` for today's date in the calendar.
     */
    todayAriaLabel: string;
    /**
     * Specifies an `aria-label` for the 'next month' button.
     */
    nextMonthAriaLabel: string;
    /**
     * Specifies an `aria-label` for the 'previous month' button.
     */
    previousMonthAriaLabel: string;
    /**
     * Specifies a function that generates the `aria-label` for the 'open calendar' button. The `selectedDate` parameter is
     * a human-readable localised string representing the current value of the input.
     * (for example, ``selectedDate => 'Choose Date' + (selectedDate ? `, selected date is ${selectedDate}` : '')``)
     */
    openCalendarAriaLabel?: DatePickerProps.OpenCalendarAriaLabel;
    /**
     * Specifies the name of the control used in HTML forms.
     */
    name?: string;
    /**
     * Specifies if the control is disabled, which prevents the
     * user from modifying the value and prevents the value from
     * being included in a form submission. A disabled control can't
     * receive focus.
     */
    disabled?: boolean;
    /**
     * Specifies if the control is read only, which prevents the
     * user from modifying the value but includes it in a form
     * submission. A read-only control can receive focus.
     *
     * Do not use read-only inputs outside of a form.
     */
    readOnly?: boolean;
    /**
     * Indicates whether the control should be focused as
     * soon as the page loads, which enables the user to
     * start typing without having to manually focus the control. Don't
     * use this option on pages where the control may be
     * scrolled out of the viewport.
     */
    autoFocus?: boolean;
    /**
     * Adds an `aria-label` to the native control.
     *
     * Use this if you don't have a visible label for this control.
     */
    ariaLabel?: string;
    /**
     * Specifies whether to add `aria-required` to the native control.
     */
    ariaRequired?: boolean;
    /**
     * Called when input focus is moved to the UI control.
     */
    onFocus?: NonCancelableEventHandler<null>;
    /**
     * Called when input focus is removed from the UI control.
     */
    onBlur?: NonCancelableEventHandler<null>;
    /**
     * Called whenever a user changes the input value (by typing, pasting, or selecting a value).
     * The event `detail` contains the current value of the field.
     */
    onChange?: NonCancelableEventHandler<DatePickerProps.ChangeDetail>;
}
export declare namespace DatePickerProps {
    interface ChangeDetail {
        /**
         * The new value of this date-picker.
         */
        value: string;
    }
    interface IsDateEnabledFunction {
        (date: Date): boolean;
    }
    interface OpenCalendarAriaLabel {
        (selectedDate: string | null): string;
    }
    interface Ref {
        /**
         * Sets the browser focus on the UI control
         */
        focus(): void;
    }
}
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