import { Logform, transports } from 'winston';
/**
 * Importing user defined packages
 */
/**
 * Defining types
 */
export interface FileTransportOptions extends transports.FileTransportOptions {
    dirname: string;
    filename: string;
}
/**
 * Declaring the constants
 */
export declare class FileTransport extends transports.File {
    constructor(options: FileTransportOptions);
    private static getFileIndex;
    private static rotateLogFiles;
    addFormat(...formats: Logform.Format[]): this;
}