import { Writable, WritableOptions } from 'stream';
import { ILogObject } from './ILogObject';
import { ILogFormatter } from './ILogFormatter';
export declare class ConsoleStream extends Writable {
    private $formatter;
    constructor(opts?: WritableOptions);
    setFormatter(formatter: ILogFormatter): void;
    private $formatMessage;
    _write(chunk: ILogObject, encoding: BufferEncoding, callback: (error?: Error) => void): void;
    _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
}