import type { Ele as EchoEle } from '../echo';
import type { DateFormatterFn } from '../echo/utils';
import { Ele as PopoverEle } from '../popover';
import { type reExportPopoverAttrs } from '../popover/attr-sync-helper';
import type { Emit2EventMap } from '../web-component-base';
import { type Attrs as BaseAttrs, BaseEle, type BaseEmits } from './base';
export type { Granularity, ColOrder } from './base';
export { granularityList, colOrderList } from './base';
export type Attrs = BaseAttrs & reExportPopoverAttrs & {
    /** 当前的时间戳 */
    'current-time'?: number | string;
};
export interface Emits extends BaseEmits {
    /** 点击 Done 按钮后抛出，值为 `current-time` */
    'select-time': Date;
    'open-change': boolean;
}
export type EventMap = Emit2EventMap<Emits>;
/**
 * 年月日下拉选择器。
 *
 * 这个选择器以 `current-time` 属性作为当前时间的依据（特别是时分秒）。
 * 而 `millisecond` 属性则表示现在选中的毫秒数（随着用户操作时实时更新），理论上外部不应直接使用。
 */
export declare class Ele extends BaseEle<Attrs, Emits> {
    static readonly tagName: "dt-yyyymmdd-selector";
    protected static _style: string;
    protected static _template: string;
    static get observedAttributes(): string[];
    get _staticEls(): {
        readonly popover: PopoverEle;
        readonly dateEcho: EchoEle;
        readonly cols: HTMLElement;
        readonly yCol: HTMLElement;
        readonly mCol: HTMLElement;
        readonly dCol: HTMLElement;
        readonly lists: any[];
        readonly yList: import("../num-list").Ele;
        readonly mList: import("../num-list").Ele;
        readonly dList: import("../num-list").Ele;
    };
    set open(v: boolean);
    get open(): boolean;
    connectedCallback(): void;
    disconnectedCallback(): boolean | void;
    protected _onAttrChanged(name: string, oldValue: string | null, newValue: string | null): void;
    /** 当前日期，带时分秒，`select-time` 事件抛出时，时分秒来自这里，年月日来自 `millisecond`。 */
    get currentTime(): Date;
    set currentTime(val: number | string | Date);
    private _render;
    private _onPopoverChange;
    private _onDoneBtnClick;
    /** 日期回显格式化函数。设置为 `null` 则重置为默认值 */
    get dateFormatter(): DateFormatterFn;
    set dateFormatter(fn: DateFormatterFn | null);
}