import { ExtractPropTypes, PropType } from 'vue';
export type BacktopSize = 'small' | 'default' | 'large';
export type BacktopShape = 'circle' | 'square';
export declare const backtopProps: {
    readonly target: {
        readonly type: PropType<string | HTMLElement>;
        readonly default: "";
    };
    readonly visibilityHeight: {
        readonly type: NumberConstructor;
        readonly default: 200;
    };
    readonly right: {
        readonly type: NumberConstructor;
        readonly default: 40;
    };
    readonly bottom: {
        readonly type: NumberConstructor;
        readonly default: 40;
    };
    readonly smooth: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
    readonly size: {
        readonly type: PropType<BacktopSize>;
        readonly default: "default";
    };
    readonly shape: {
        readonly type: PropType<BacktopShape>;
        readonly default: "circle";
    };
    readonly showProgress: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly showPercent: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly scrollTo: {
        readonly type: StringConstructor;
        readonly default: "";
    };
    readonly tooltip: {
        readonly type: StringConstructor;
        readonly default: "";
    };
    readonly disabled: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    readonly autoHide: {
        readonly type: NumberConstructor;
        readonly default: 0;
    };
    readonly rootClass: {
        readonly type: PropType<string | string[] | Record<string, boolean>>;
        readonly default: "";
    };
};
export declare const backtopEmits: {
    click: (e: MouseEvent) => boolean;
};
export type BacktopProps = ExtractPropTypes<typeof backtopProps>;