import { type StyleValue } from 'vue';
export interface BackTopProps {
    rootStyle?: StyleValue;
    rootClass?: string;
    scrollTop?: number;
    visibleHeight?: number;
    right?: string;
    bottom?: string;
}
export declare const defaultBackTopProps: () => {
    scrollTop: number;
    visibleHeight: number;
};
export interface BackTopSlots {
    default?(props: Record<string, never>): any;
}
export interface BackTopEmits {
    (e: 'click', event: any): void;
}