import { FormSubmitController } from '@shoelace-style/shoelace/dist/internal/form';
import flatpickr from 'flatpickr';
import { LitElement } from 'lit';
import type Textfield from '../textfield/textfield';
import type { DateOption } from 'flatpickr/dist/types/options';
import type { PropertyValueMap } from 'lit';
export declare class DatePickerFoundation extends LitElement {
    static styles: import("lit").CSSResult[];
    label: string;
    enableTime: boolean;
    allowInput: boolean;
    enableSeconds: boolean;
    minDate: DateOption;
    maxDate: DateOption;
    defaultDate: DateOption;
    placeholder: string;
    prefix: string;
    suffix: string;
    icon: string;
    iconTrailing: string;
    disabled: boolean;
    required: boolean;
    outlined: boolean;
    helper: string;
    validateOnInitialRender: boolean;
    validationMessage: string;
    dateFormat: string;
    size: number | null;
    formSubmitController: FormSubmitController;
    mode: 'single' | 'range';
    constructor();
    name: string;
    value: string | string[];
    displayValue: string;
    defaultValue: string | string[];
    defaultDisplayValue: string;
    textfield: Textfield | null;
    flatpickr: flatpickr.Instance | null;
    protected firstUpdated(): void;
    protected instantiateFlatpickr(): void;
    protected onChange(): void;
    protected emit(detail: string | string[]): void;
    setDate(date: DateOption | DateOption[]): void;
    propChangedIsInFlatpickrConfig(_changedProps: PropertyValueMap<never> | Map<PropertyKey, unknown>): boolean;
    protected willUpdate(_changedProps: PropertyValueMap<never> | Map<PropertyKey, unknown>): void;
    protected render(): import("lit-html").TemplateResult<1>;
}