import { ILogFormatter, LogData } from '../types';
/**
 * Formats the log in structured JSON format while
 * including the Lambda context data automatically
 * @see https://aws.amazon.com/blogs/compute/introducing-advanced-logging-controls-for-aws-lambda-functions
 */
export declare class StructuredLogFormatter implements ILogFormatter {
    format({ awsRequestId, level, ...data }: LogData): string;
}