import { CSSProperties } from 'vue';
declare const _default: import("vue").DefineComponent<{
    zIndex: {
        type: (StringConstructor | NumberConstructor)[];
        default: number;
    };
    target: {
        type: StringConstructor;
        default: string;
    };
    offset: {
        type: NumberConstructor;
        default: number;
    };
    position: {
        type: import("vue").PropType<"top" | "bottom">;
        default: string;
    };
}, {
    fixed: import("vue").Ref<boolean>;
    root: import("vue").ShallowRef<HTMLDivElement | undefined>;
    rootStyle: import("vue").ComputedRef<CSSProperties>;
    affixStyle: import("vue").ComputedRef<CSSProperties>;
    update: () => void;
}, unknown, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {
    scroll: ({ scrollTop, fixed }: {
        scrollTop: number;
        fixed: boolean;
    }) => boolean;
    change: (fixed: boolean) => boolean;
}, string, import("vue").VNodeProps & import("vue").AllowedComponentProps & import("vue").ComponentCustomProps, Readonly<{
    zIndex?: unknown;
    target?: unknown;
    offset?: unknown;
    position?: unknown;
} & {
    offset: number;
    target: string;
    zIndex: string | number;
    position: "top" | "bottom";
} & {}> & {
    onScroll?: ((args_0: {
        scrollTop: number;
        fixed: boolean;
    }) => any) | undefined;
    onChange?: ((fixed: boolean) => any) | undefined;
}, {
    offset: number;
    target: string;
    zIndex: string | number;
    position: "top" | "bottom";
}>;
export default _default;