import { LogLevel, NormalLevel, SloggerOptions } from './interfaces';
import { LoggerPrinter } from './logger-printer';
export { LogLevel };
export declare class Slogger {
    private readonly levelValue;
    private readonly _printer;
    constructor(options?: SloggerOptions);
    get printer(): LoggerPrinter;
    /**
     * Print log with given level
     *
     */
    print(level: NormalLevel, ...args: unknown[]): void;
    /**
     * Print debug log
     */
    debug(...args: unknown[]): void;
    /**
     * Print info log
     */
    info(...args: unknown[]): void;
    /**
     * Print trace log
     */
    trace(...args: unknown[]): void;
    /**
     * Print warn log
     */
    warn(...args: unknown[]): void;
    error(...args: unknown[]): void;
    /**
     * Call console.time
     *
     * @param {String} label
     */
    time(label: string): void;
    /**
     * Call console.timeEnd
     *
     * @param {String} label
     */
    timeEnd(label: string): void;
    /**
     * Flush the log content to std stream and custom stream.
     *
     * @param {Function} callback
     */
    flush(callback: Function): void;
}