import * as stream from "node:stream";
import { Node } from "../commons/node.js";
import { LogContext } from "../commons/log_context.js";
import { SyslogLevel } from "../commons/syslog.js";
export declare const $level: unique symbol;
export declare class ConsoleHandlerWritable<MessageT> extends stream.Writable {
    [$level]: SyslogLevel;
    constructor(options?: ConsoleHandlerOptions, writableOptions?: stream.WritableOptions);
    _write(logContext: LogContext<MessageT>, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
}
export interface ConsoleHandlerOptions {
    level?: SyslogLevel;
}
export declare class ConsoleHandler<MessageT = string> extends Node<LogContext<MessageT>, never, ConsoleHandlerWritable<MessageT>> {
    constructor(options?: ConsoleHandlerOptions, streamOptions?: stream.WritableOptions);
    setLevel: (level: SyslogLevel) => void;
    get level(): SyslogLevel;
}