import { WinstonLogger } from '../logger/winston';
import { StorageLoggerOptions } from '../../types';
export declare class ObjectStorageLogger extends WinstonLogger {
    private options;
    private _level;
    private _flusher;
    private _localLogPath;
    private _storageLogPath;
    constructor(options: StorageLoggerOptions);
    private _validate;
    private _initialize;
    private _addHandlers;
    private onFlush;
    private isSuppressed;
    private log;
    info: (message: string, flush?: boolean) => void;
    debug: (message: string, flush?: boolean) => void;
    warn: (message: string, flush?: boolean) => void;
    error: (message: string, flush?: boolean) => void;
}