import { NormalLevel, SloggerOptions } from './interfaces';
export declare class LoggerPrinter {
    private readonly _flushInterval;
    private _logCache;
    private readonly _disableTimePrefix?;
    private readonly _disableLevelPrefix?;
    private readonly customStreamLen;
    private readonly _projectName?;
    private readonly customStreams?;
    private readonly customStreamsCache;
    private readonly newLineSeparator;
    constructor(options: SloggerOptions);
    private writeToStream;
    private flushCustomStream;
    /**
     * Flush the log content to std stream and custom streams.
     *
     * @param {Function} callback
     */
    flush(callback?: Function): void;
    get logCache(): string;
    getStreamCache(level: NormalLevel): string;
    private flushLog;
    print(args: unknown[], level: NormalLevel): void;
}