import type { TemplateResult, PropertyDeclarations } from 'lit-element';
import { InternalEditableControl } from '../InternalEditableControl/InternalEditableControl';
/**
 * Internal control displaying a basic date picker box.
 *
 * @since 1.17.0
 * @element foxy-internal-date-control
 */
export declare class InternalDateControl extends InternalEditableControl {
    static get properties(): PropertyDeclarations;
    /** When true, hides Clear button. */
    hideClearButton: boolean;
    /** Date format. If `unix`, expects and outputs a UNIX timestamp (number), otherwise defaults to ISO 8601 date. */
    format: 'unix' | 'iso-long' | null;
    /** Use summary item layout inside `<foxy-internal-summary-control>`. */
    layout: 'summary-item' | 'standalone' | null;
    /** Minimum date, YYYY-MM-DD. */
    min: string | null;
    renderControl(): TemplateResult;
    private get __pickerI18n();
}