import { type BaseAttrs, type BaseEmits, type Emit2EventMap, UiBase } from '../web-component-base';
export interface Attrs extends BaseAttrs {
    millisecond: number;
    /**
     * 选择器的粒度，表示最大可选的时间单位。默认为 year。
     */
    'max-granularity'?: 'year' | 'month';
    /**
     * 选择器的粒度，表示最小可选的时间单位。默认为 month。
     */
    'min-granularity'?: 'year' | 'month';
    /**
     * 是否显示年份控制按钮（快速增减年份）
     * @default false
     */
    'show-ctrl-btn-year-add'?: boolean;
    'show-ctrl-btn-year-sub'?: boolean;
    /**
     * 是否显示月份控制按钮（快速增减月份）
     * @default false
     */
    'show-ctrl-btn-month-add'?: boolean;
    'show-ctrl-btn-month-sub'?: boolean;
}
export interface Emits extends BaseEmits {
    change: {
        oldTime: Date;
        newTime: Date;
    };
    'popover-open-change': boolean;
}
export type EventMap = Emit2EventMap<Emits>;
/**
 * 日期导航组件
 *
 * 存在一个 titleFormatter 方法，可以重写该方法以自定义年月标题的回显格式。
 */
export declare class Ele extends UiBase<Attrs, Emits> {
    static readonly tagName: "dt-yyyymm-nav";
    protected static _style: string;
    protected static _template: string;
    static get observedAttributes(): string[];
    get millisecond(): number;
    set millisecond(v: number);
    get showCtrlBtnYearAdd(): boolean;
    set showCtrlBtnYearAdd(val: boolean);
    get showCtrlBtnYearSub(): boolean;
    set showCtrlBtnYearSub(val: boolean);
    get showCtrlBtnMonthAdd(): boolean;
    set showCtrlBtnMonthAdd(val: boolean);
    get showCtrlBtnMonthSub(): boolean;
    set showCtrlBtnMonthSub(val: boolean);
    connectedCallback(): void;
    protected _onAttrChanged(name: string, oldValue: string | null, newValue: string | null): void;
    private _render;
    private _onTitleToggle;
    private _onItemSelect;
    private _onBtnClick;
    titleFormatter: (ms: number) => string;
}