export default class ConfigService {
    private readonly config;
    constructor();
    /**
     * Get the param or use default
     *
     * @param param
     * @param def default
     * @returns {any}
     */
    get(param: string, def?: any): any;
    /**
     * Check the param exists
     *
     * @param param
     * @returns {boolean}
     */
    has(param: string): boolean;
    root(dir?: string): string;
    src(dir?: string): string;
}