declare const _default: import("vue").ComponentOptions<import("vue").default, import("@vue/composition-api").ShallowUnwrapRef<{
    BacktopIcon: import("tdesign-icons-vue").GlobalIconType;
    cls: import("@vue/composition-api").ComputedRef<{
        [x: string]: boolean;
    }>;
    handleClick: (e: MouseEvent) => void;
    positionStyle: import("@vue/composition-api").ComputedRef<{
        insetInlineEnd: string | number;
        insetBlockEnd: string | number;
    }>;
    componentName: import("@vue/composition-api").ComputedRef<string>;
}> & import("@vue/composition-api").Data, {}, {}, {
    container: {
        type: import("vue").PropType<import("..").AttachNode>;
        default: string;
    };
    content: {
        type: import("vue").PropType<string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue)>;
    };
    default: {
        type: import("vue").PropType<string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue)>;
    };
    duration: {
        type: NumberConstructor;
        default: number;
    };
    offset: {
        type: import("vue").PropType<(string | number)[]>;
        default: () => (string | number)[];
    };
    shape: {
        type: import("vue").PropType<import("./type").BackTopShapeEnum>;
        default: import("./type").BackTopShapeEnum;
        validator(val: import("./type").BackTopShapeEnum): boolean;
    };
    size: {
        type: import("vue").PropType<"small" | "medium">;
        default: "small" | "medium";
        validator(val: "small" | "medium"): boolean;
    };
    target: {
        type: import("vue").PropType<import("..").AttachNode>;
        default: string;
    };
    theme: {
        type: import("vue").PropType<"primary" | "dark" | "light">;
        default: "primary" | "dark" | "light";
        validator(val: "primary" | "dark" | "light"): boolean;
    };
    visibleHeight: {
        type: import("vue").PropType<string | number>;
        default: string;
    };
    onClick: import("vue").PropType<(context: {
        e: MouseEvent;
    }) => void>;
}, import("@vue/composition-api").ExtractPropTypes<{
    container: {
        type: import("vue").PropType<import("..").AttachNode>;
        default: string;
    };
    content: {
        type: import("vue").PropType<string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue)>;
    };
    default: {
        type: import("vue").PropType<string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue)>;
    };
    duration: {
        type: NumberConstructor;
        default: number;
    };
    offset: {
        type: import("vue").PropType<(string | number)[]>;
        default: () => (string | number)[];
    };
    shape: {
        type: import("vue").PropType<import("./type").BackTopShapeEnum>;
        default: import("./type").BackTopShapeEnum;
        validator(val: import("./type").BackTopShapeEnum): boolean;
    };
    size: {
        type: import("vue").PropType<"small" | "medium">;
        default: "small" | "medium";
        validator(val: "small" | "medium"): boolean;
    };
    target: {
        type: import("vue").PropType<import("..").AttachNode>;
        default: string;
    };
    theme: {
        type: import("vue").PropType<"primary" | "dark" | "light">;
        default: "primary" | "dark" | "light";
        validator(val: "primary" | "dark" | "light"): boolean;
    };
    visibleHeight: {
        type: import("vue").PropType<string | number>;
        default: string;
    };
    onClick: import("vue").PropType<(context: {
        e: MouseEvent;
    }) => void>;
}>> & Omit<import("vue").VueConstructor<import("vue").default>, never> & (new (...args: any[]) => import("@vue/composition-api").ComponentRenderProxy<{
    offset: (string | number)[];
    target: import("..").AttachNode;
    size: "small" | "medium";
    theme: "primary" | "dark" | "light";
    container: import("..").AttachNode;
    duration: number;
    shape: import("./type").BackTopShapeEnum;
    visibleHeight: string | number;
} & {
    default?: string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue);
    content?: string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue);
    onClick?: (context: {
        e: MouseEvent;
    }) => void;
}, import("@vue/composition-api").ShallowUnwrapRef<{
    BacktopIcon: import("tdesign-icons-vue").GlobalIconType;
    cls: import("@vue/composition-api").ComputedRef<{
        [x: string]: boolean;
    }>;
    handleClick: (e: MouseEvent) => void;
    positionStyle: import("@vue/composition-api").ComputedRef<{
        insetInlineEnd: string | number;
        insetBlockEnd: string | number;
    }>;
    componentName: import("@vue/composition-api").ComputedRef<string>;
}>, import("@vue/composition-api").Data, {}, {}, {}, {}, {}, {
    offset: (string | number)[];
    target: import("..").AttachNode;
    size: "small" | "medium";
    theme: "primary" | "dark" | "light";
    container: import("..").AttachNode;
    duration: number;
    shape: import("./type").BackTopShapeEnum;
    visibleHeight: string | number;
} & {
    default?: string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue);
    content?: string | ((h: import("vue").CreateElement) => import("vue/types/vnode").ScopedSlotReturnValue);
    onClick?: (context: {
        e: MouseEvent;
    }) => void;
}, {
    offset: (string | number)[];
    target: import("..").AttachNode;
    size: "small" | "medium";
    theme: "primary" | "dark" | "light";
    container: import("..").AttachNode;
    duration: number;
    shape: import("./type").BackTopShapeEnum;
    visibleHeight: string | number;
}, true>);
export default _default;