import { LogWriter, ShutdownCb } from '../logWriter';
export type FileLogWriterSyncConfig = {
    filename: string;
    maxLogSize?: number;
    backups?: number;
    mode?: number;
    encoding?: BufferEncoding;
    removeColor?: boolean;
};
type FileLogWriterData = string;
export declare class FileLogWriterSync extends LogWriter<FileLogWriterData, FileLogWriterSyncConfig> {
    config: Required<FileLogWriterSyncConfig>;
    private writer;
    constructor(name: string, config: FileLogWriterSyncConfig);
    private openStream;
    protected _write: (data: FileLogWriterData) => void;
    sighupHandler(): void;
    protected _shutdown: (cb?: ShutdownCb) => void;
}
export {};