import type { LogEntry } from "../log-entry";
import type { LogLevel, Logger } from "../logger";
export interface BaseWriterParams {
    level?: LogLevel;
    output?: NodeJS.WriteStream;
}
export declare abstract class Writer {
    abstract type: string;
    level: LogLevel;
    output: NodeJS.WriteStream;
    constructor({ level, output }?: BaseWriterParams);
    abstract write(entry: LogEntry, logger: Logger): void;
}