import { ExtractPropTypes, Ref } from 'vue';
export declare const useFixedBarProps: {
    hideOnScroll: {
        type: BooleanConstructor;
        default: boolean;
    };
    fixed: {
        type: BooleanConstructor;
        default: boolean;
    };
    bottom: {
        type: BooleanConstructor;
        default: boolean;
    };
};
export declare function useFixedBar(props: ExtractPropTypes<typeof useFixedBarProps>, isScrolledDown: Ref<boolean>): {
    fixedBarStyleComputed: import("vue").ComputedRef<{
        top: string | undefined;
        transform: string | undefined;
    }>;
};