import { LitElement } from 'lit';
import '../button/ws-button.js';
export type WsDatePickerSize = 'small' | 'medium' | 'large';
/**
 * Workshop form-associated date picker with an expressive calendar surface.
 *
 * @fires input - Dispatched when the selected date changes while editing.
 * @fires change - Dispatched when the selected date is committed.
 * @csspart label - The visible field label.
 * @csspart control - The date-picker container.
 * @csspart input - The native date input.
 * @csspart clear-button - The optional clear action.
 * @csspart picker-button - The calendar action.
 * @csspart supporting-text - Helper or error text.
 */
export declare class WsDatePicker extends LitElement {
    static styles: import("lit").CSSResult;
    static formAssociated: boolean;
    /** ISO date value in YYYY-MM-DD format. */
    value: string;
    /** Name used when the picker participates in form submission. */
    name: string;
    /** Control height and density. */
    size: WsDatePickerSize;
    /** Visible label displayed above the control. */
    label: string;
    /** Supporting guidance shown while the picker is valid. */
    helperText: string;
    /** Supporting message shown while the picker is invalid. */
    errorText: string;
    /** Earliest selectable ISO date. */
    min?: string;
    /** Latest selectable ISO date. */
    max?: string;
    /** Whether selecting a date is required. */
    required: boolean;
    /** Disables interaction and excludes the value from form submission. */
    disabled: boolean;
    /** Prevents editing while preserving focus and form submission. */
    readOnly: boolean;
    /** Applies an externally controlled invalid state. */
    invalid: boolean;
    /** Shows a clear action while the picker contains a value. */
    clearable: boolean;
    /** Accessible name used when no visible label is provided. */
    accessibleLabel?: string;
    /** Accessible name for the calendar action. */
    pickerLabel: string;
    /** Accessible name for the clear action. */
    clearLabel: string;
    private touched;
    private formDisabled;
    private calendarOpen;
    private visibleMonth;
    private readonly internals;
    private readonly fieldId;
    private readonly helperId;
    private readonly errorId;
    private defaultValue;
    private capturedDefaultValue;
    private customValidationMessage;
    private monthTransitioning;
    private static nextId;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected firstUpdated(): void;
    protected updated(): void;
    render(): import("lit-html").TemplateResult<1>;
    /** Associated form, when the picker is inside one. */
    get form(): HTMLFormElement | null;
    /** Labels associated with the custom element. */
    get labels(): NodeList;
    /** Current validity state. */
    get validity(): ValidityState;
    /** Current validation message. */
    get validationMessage(): string;
    /** Whether the picker participates in constraint validation. */
    get willValidate(): boolean;
    focus(options?: FocusOptions): void;
    /** Opens the Workshop Expressive calendar. */
    showPicker(): void;
    /** Applies a custom validity message. Pass an empty string to clear it. */
    setCustomValidity(message: string): void;
    /** Runs constraint validation without displaying browser UI. */
    checkValidity(): boolean;
    /** Runs constraint validation and makes the invalid state visible. */
    reportValidity(): boolean;
    formDisabledCallback(disabled: boolean): void;
    formResetCallback(): void;
    formStateRestoreCallback(state: string | File | FormData | null): void;
    private get inputElement();
    private get isEffectivelyDisabled();
    private get isVisuallyInvalid();
    private renderClearButton;
    private renderCalendar;
    private renderMonthButton;
    private handleBeforeInput;
    private handleInput;
    private handleChange;
    private handleBlur;
    private handleInvalid;
    private handlePickerClick;
    private changeMonth;
    private selectDate;
    private handleDocumentPointerDown;
    private parseDate;
    private formatDate;
    private startOfMonth;
    private clearValue;
    private syncFormAndValidity;
}
declare global {
    interface HTMLElementTagNameMap {
        'ws-date-picker': WsDatePicker;
    }
}
//# sourceMappingURL=ws-date-picker.d.ts.map