import { Writable, WritableOptions } from 'stream';
import { ILogObject } from './ILogObject';
import { CloudWatchLogsClientConfig } from '@aws-sdk/client-cloudwatch-logs';
export interface ICWStreamConfig {
    group: string;
    stream: string;
}
export declare class CloudWatchStream extends Writable {
    private $streamConfig;
    private $thread;
    private $threadChannel;
    private $threadPort;
    static create(awsConfig: CloudWatchLogsClientConfig, streamConfig: ICWStreamConfig, opts?: WritableOptions): Promise<CloudWatchStream>;
    private constructor();
    private $initThread;
    _write(chunk: ILogObject, encoding: BufferEncoding, callback: (error?: Error) => void): void;
    _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
}