import compression from 'compression';
import { RequestHandler } from 'express';
export type ICompressionMiddlewareOptions = {
    chunkSize?: compression.CompressionOptions['chunkSize'];
    level?: compression.CompressionOptions['level'];
    threshold?: compression.CompressionOptions['threshold'];
};
/**
 * Returns an Express compatible middleware that provides response
 * compression.
 */
export declare const compressionMiddleware: ({ chunkSize, level, threshold, }?: ICompressionMiddlewareOptions) => RequestHandler;