export default class DatePicker extends HTMLElement {
    private dom;
    private initialized;
    private picker;
    constructor();
    get_value(): number | number[];
    set_value(date: number | number[]): void;
    clear(): void;
    attributeChangedCallback(_attrName: string, oldVal: string, newVal: string): void;
    set_disabled(isdisabled: boolean): void;
    connectedCallback(): Promise<void>;
    private refresh;
    static readonly observedAttributes: string[];
}