import '../nui-icon/nui-icon.js';
import { type TemplateResult } from 'lit';
import type { NuiType } from '../../types/nui-type.js';
import { toIsoDate } from './date-utils.js';
import type { DatePickerSize, DatePickerVariant } from './types.js';
export interface NuiDatePickerViewState {
    value: string;
    displayValue: string;
    placeholder: string;
    disabled: boolean;
    readonly: boolean;
    invalid: boolean;
    required: boolean;
    fluid: boolean;
    size: DatePickerSize | '';
    variant: DatePickerVariant | '';
    showIcon: boolean;
    icon: string;
    manualInput: boolean;
    name: string;
    inputId: string;
    ariaLabel: string;
    ariaLabelledby: string;
    overlayVisible: boolean;
    visibleMonth: Date;
    selectedDate: Date | null;
    today: Date;
    nuiType: NuiType;
    datePickerClass: string;
}
export interface DatePickerRenderHandlers {
    onInput: (event: Event) => void;
    onChange: (event: Event) => void;
    onFocus: (event: Event) => void;
    onBlur: (event: Event) => void;
    onIconClick: (event: Event) => void;
    onIconMouseDown: (event: Event) => void;
    onPrevMonth: (event: Event) => void;
    onNextMonth: (event: Event) => void;
    onDayClick: (iso: string, event: Event) => void;
    onPanelMouseDown: (event: Event) => void;
}
export declare function getDatePickerClass(datePickerClass: string): string;
export declare function renderDatePicker(state: NuiDatePickerViewState, handlers: DatePickerRenderHandlers): TemplateResult;
export declare function getVisibleMonth(value: string, fallback?: Date): Date;
export declare function getSelectedDate(value: string): Date | null;
export declare function getDisplayValue(value: string, dateFormat: string): string;
export declare function commitIsoValue(iso: string): string;
export declare function shiftVisibleMonth(current: Date, delta: number): Date;
export declare function getToday(): Date;
export { toIsoDate };
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