import { Dayjs } from 'dayjs';
import { PickerMode, RangeValue } from 'bonree-picker/lib/interface';
import { PickerLocale } from './generatePicker';
import 'dayjs/locale/en-gb';
export declare const MAX_DURATION = 86400000000;
export declare const getCommonTimeZoneConfig: () => {
    timeZone?: string;
    tzOffset?: string;
};
/** 获取指定时区的当前时间；无效或未传时区时保持原有的本地时区行为。 */
export declare const getTimeZoneNow: (timeZone?: string | undefined, tzOffset?: string | undefined) => Dayjs;
/** 仅按指定时区格式化，不改变传入值代表的时间点。 */
export declare const formatInTimeZone: (date: Dayjs, format: string, timeZone?: string | undefined, tzOffset?: string | undefined) => string;
export declare const getTimeZoneStartOfDay: (timeZone?: string | undefined, tzOffset?: string | undefined) => Dayjs;
export declare const getTimeZoneEndOfDay: (timeZone?: string | undefined, tzOffset?: string | undefined) => Dayjs;
export interface _SpecialDate {
    enable?: boolean;
    name?: string;
    dates?: string[];
    times?: string[];
}
export declare type SpecialDate = _SpecialDate | null;
export declare function getPlaceholder(picker: PickerMode | undefined, locale: PickerLocale, customizePlaceholder?: string): string;
export declare function getRangePlaceholder(picker: PickerMode | undefined, locale: PickerLocale, customizePlaceholder?: [string, string]): [string, string] | undefined;
export declare enum GlobalPickerType {
    shortcut = 1,
    custom = 2,
    recently = 3,
    special = 4
}
export declare function getTargetFromEvent(e: Event): HTMLElement;
export declare function elementsContains(elements: (HTMLElement | undefined | null)[], target: HTMLElement): boolean;
declare type ClickEventHandler = (event: MouseEvent) => void;
export declare function addGlobalMouseDownEvent(callback: ClickEventHandler): () => void;
export declare const generateRefreshOptions: (locale?: Record<string, any> | undefined) => {
    label: any;
    value: number;
}[];
export declare const isAbsoluteTime: (value: string) => boolean;
export declare const isRelativeTime: (value: string) => boolean;
export declare const isSpecialTime: (value: string) => boolean;
export declare const multiSpaceToOne: (value: string) => string;
export declare function valueToShortcut(value: string): {
    type: GlobalPickerType;
    label: string;
    value: string;
};
export declare function computedDuration(dates: RangeValue<Dayjs>): Record<string, number> | undefined;
export declare function durationText(dates: RangeValue<Dayjs>, maxDuration: number, locale?: Record<string, any>): {
    isInvalid: boolean;
    isGreater: boolean;
    isEqual: boolean;
    formatString: any;
};
export declare function datesToValue(dates: RangeValue<Dayjs>, timeZone?: string, tzOffset?: string): string;
export declare const parseShortcutValue: (value?: string | undefined, timeZone?: string | undefined, tzOffset?: string | undefined) => RangeValue<Dayjs>;
/**
 * Convert only absolute wall-time fragments in a shortcut value between time zones.
 * Relative and special-time expressions must stay relative to the time when they are used.
 */
export declare const convertShortcutValueTimeZone: (value: string, sourceTimeZone?: string | undefined, sourceTzOffset?: string | undefined, targetTimeZone?: string | undefined, targetTzOffset?: string | undefined) => string;
/**
 * Build a timezone-independent identity for an absolute range. Dynamic shortcut values keep
 * their normalized expression as identity because converting them to timestamps is unstable.
 */
export declare const getShortcutValueId: (value: string, timeZone?: string | undefined, tzOffset?: string | undefined) => string;
export interface ShortcutOption {
    id?: string;
    type?: GlobalPickerType;
    label: string;
    value: string;
    timeZone?: string;
    tzOffset?: string;
}
export interface ShortcutTimeZoneConfig {
    timeZone?: string;
    tzOffset?: string;
}
export declare const createRecentShortcutOption: (shortcut: ShortcutOption, value: string, timeZone?: string | undefined, tzOffset?: string | undefined) => ShortcutOption;
export declare const normalizeCachedShortcutOptions: (shortcuts: ShortcutOption[], targetTimeZone?: string | undefined, targetTzOffset?: string | undefined, fallbackTimeZoneConfig?: ShortcutTimeZoneConfig) => {
    options: ShortcutOption[];
    migratedValues: Map<string, string>;
};
export declare const upsertShortcutOptionById: (shortcuts: ShortcutOption[], shortcut: ShortcutOption, maxLength?: number) => ShortcutOption[];
export declare const computeShortcutOptions: (locale: Record<string, any>) => ShortcutOption[];
export declare const parseSpecialTime: (value: string, specialDate: SpecialDate, timeZone?: string | undefined, tzOffset?: string | undefined) => RangeValue<Dayjs>;
export declare const filterShortcutsByMaxDuration: (shortcuts: ShortcutOption[], maxDuration: number, specialDate?: SpecialDate | undefined, timeZone?: string | undefined, tzOffset?: string | undefined) => ShortcutOption[];
export declare const computedSpecialList: (locale: Record<string, any>, specialDate: SpecialDate, maxDuration?: number | undefined, timeZone?: string | undefined, tzOffset?: string | undefined) => ShortcutOption[];
export declare const isRelatveOpt: (opt: ShortcutOption) => boolean;
export declare const isSpecialOpt: (opt: ShortcutOption) => boolean;
export declare const isRecentOpt: (opt: ShortcutOption) => boolean;
export declare function isInSpecial(currentDate: Dayjs, specialDate?: SpecialDate, timeZone?: string, tzOffset?: string): boolean;
export declare const timezonesToOffset: (tz: string) => string;
/** 获取实际生效的 UTC 偏移文本；合法的 tzOffset 优先于 timeZone。 */
export declare const getUtcOffsetText: (timeZone?: string | undefined, tzOffset?: string | undefined) => string;
export {};