import { Handler } from 'express';
import KoaRouter from '@koa/router';
import { Agent, FilterFn } from 'elastic-apm-node';
import { Middleware } from 'koa';
type SpanFilterParams = {
    filterShorterThan?: number;
};
type TransactionFilterParams = {
    filterNotSampled?: boolean;
    keepRequest?: string[];
    keepResponse?: string[];
    keepSocket?: string[];
    overrideHostname?: string;
};
type ExpressMiddlewareParams = {
    setAddress?: boolean;
    setOrigin?: boolean;
    requestSource?: boolean;
};
type KoaMiddlewareParams = {
    prefix?: string;
    setAddress?: boolean;
    setOrigin?: boolean;
    requestSource?: boolean;
    setRouteName?: boolean;
    usePathBasedRoutes?: boolean;
};
export declare const apm: {
    defaults: {
        keepRequestHeaders: string[];
    };
    spanFilter({ filterShorterThan }?: SpanFilterParams): FilterFn;
    transactionFilter({ filterNotSampled, keepRequest, keepResponse, keepSocket, overrideHostname }?: TransactionFilterParams): FilterFn;
};
export declare const express: {
    middleware(apmClient: Agent, { setAddress, setOrigin, requestSource }?: ExpressMiddlewareParams): Handler;
};
export declare const koa: {
    addRoutes(router: KoaRouter, routes: [string, string?][], ...fn: KoaRouter.Middleware[]): void;
    middleware(apmClient: Agent, { prefix, setAddress, setOrigin, requestSource, setRouteName, usePathBasedRoutes }?: KoaMiddlewareParams): Middleware;
};
export {};