declare const BackTop: import("vue").DefineComponent<{
    prefixCls: StringConstructor;
    duration: NumberConstructor;
    target: {
        type: import("vue").PropType<() => Window | Document | HTMLElement>;
        default: () => Window | Document | HTMLElement;
    };
    visibilityHeight: NumberConstructor;
    onClick: {
        type: import("vue").PropType<import("../_util/EventInterface").MouseEventHandler>;
        default: import("../_util/EventInterface").MouseEventHandler;
    };
    description: any;
    type: {
        type: import("vue").PropType<import("./interface").FloatButtonType>;
        default: import("./interface").FloatButtonType;
    };
    shape: {
        type: import("vue").PropType<import("./interface").FloatButtonShape>;
        default: import("./interface").FloatButtonShape;
    };
    tooltip: any;
    href: StringConstructor;
}, () => import("../_util/type").VueNode, unknown, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").VNodeProps & import("vue").AllowedComponentProps & import("vue").ComponentCustomProps, Readonly<import("vue").ExtractPropTypes<{
    prefixCls: StringConstructor;
    duration: NumberConstructor;
    target: {
        type: import("vue").PropType<() => Window | Document | HTMLElement>;
        default: () => Window | Document | HTMLElement;
    };
    visibilityHeight: NumberConstructor;
    onClick: {
        type: import("vue").PropType<import("../_util/EventInterface").MouseEventHandler>;
        default: import("../_util/EventInterface").MouseEventHandler;
    };
    description: any;
    type: {
        type: import("vue").PropType<import("./interface").FloatButtonType>;
        default: import("./interface").FloatButtonType;
    };
    shape: {
        type: import("vue").PropType<import("./interface").FloatButtonShape>;
        default: import("./interface").FloatButtonShape;
    };
    tooltip: any;
    href: StringConstructor;
}>>, {
    type: import("./interface").FloatButtonType;
    shape: import("./interface").FloatButtonShape;
    target: () => Window | Document | HTMLElement;
    onClick: import("../_util/EventInterface").MouseEventHandler;
    tooltip: any;
    description: any;
}, {}>;
export default BackTop;
