import * as winston from 'winston';
import * as TransportStream from 'winston-transport';
import { TransformFunction } from "logform";
import { Context, TraceId } from 'zipkin';
import { TracerService } from './Tracer';
export declare type Logger = winston.Logger;
export declare type LoggerModule = 'winston';
export interface CreateLoggerOptions {
    context: Context<TraceId>;
    formats: TransformFunction[];
    level: string;
    logsCollatorTransport: TransportStream;
    tracer: TracerService;
    transports?: TransportStream[];
}
export declare function createLogger({ context, formats, level, logsCollatorTransport, tracer, transports, }: CreateLoggerOptions): winston.Logger;