interface BarOptions {
    width?: number;
    incomplete?: string;
    complete?: string;
}
interface Tokens {
    current: number;
    total: number;
    [key: string]: string | number;
}
declare class SlogBar {
    length: number;
    description: string;
    incomplete: string;
    complete: string;
    /**
     *
     * @param {string} description 描述文字和占位符
     * @param {object | number} options 配置或进度条长度
     */
    constructor(description: string | undefined, options: BarOptions | number);
    render(arg: Tokens): false | undefined;
}
export default SlogBar;