import type { SetupContext } from 'vue';
import type { OBacktopEmits, OBacktopProps } from './props';
export declare const useBackTop: (props: OBacktopProps, emit: SetupContext<OBacktopEmits>['emit'], componentName: string) => {
    visible: import("vue").Ref<boolean>;
    handleClick: (event: MouseEvent) => void;
};