declare const _default: import("vue").DefineComponent<{
    offsetTop: NumberConstructor;
    offsetBottom: NumberConstructor;
    target: {
        type: import("vue").PropType<() => HTMLElement | Window>;
        default: () => Window & typeof globalThis;
    };
    prefixCls: StringConstructor;
    onChange: import("vue").PropType<(lastAffix: boolean) => void>;
    onTestUpdatePosition: import("vue").PropType<() => void>;
}, () => import("@antdv/ui/es/ui").VueNode, unknown, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").PublicProps, Readonly<import("vue").ExtractPropTypes<{
    offsetTop: NumberConstructor;
    offsetBottom: NumberConstructor;
    target: {
        type: import("vue").PropType<() => HTMLElement | Window>;
        default: () => Window & typeof globalThis;
    };
    prefixCls: StringConstructor;
    onChange: import("vue").PropType<(lastAffix: boolean) => void>;
    onTestUpdatePosition: import("vue").PropType<() => void>;
}>>, {
    target: () => HTMLElement | Window;
}, {}>;
export default _default;