import { Agent, type Dispatcher } from 'undici';
import type { SandboxFetch } from '../../codemode/types.js';
import type { UpstreamAuthRequiredEvent } from '../upstream-auth.js';
import type { StoredSecret } from '../secret-store.js';
export declare function getDefaultAgent(): Agent;
export type FetchBridgeRoute = {
    pattern: RegExp;
    method: string;
    schemes: readonly string[];
};
export type FetchBridgeApi = {
    slug: string;
    name: string;
    matchers: readonly RegExp[];
    secrets?: Readonly<Record<string, StoredSecret>>;
    defaultScheme?: string;
    routes?: readonly FetchBridgeRoute[];
    credentialHeaders?: readonly string[];
    schemePriority?: readonly string[];
};
type FetchBridgeOptions = {
    allowedHosts: readonly RegExp[];
    apis?: readonly FetchBridgeApi[];
    authorization?: string;
    onAuthRequired?: (event: UpstreamAuthRequiredEvent) => void;
    fetchImpl?: typeof fetch;
    dispatcher?: Dispatcher;
    timeoutMs?: number;
    maxResponseBytes?: number;
    maxFetchesPerExec?: number;
    clientIp?: string;
};
/** Build the host-side `fetch` the gateway sandbox calls. */
export declare function buildFetchBridge({ allowedHosts, apis, authorization, onAuthRequired, fetchImpl, dispatcher, timeoutMs, maxResponseBytes, maxFetchesPerExec, clientIp, }: FetchBridgeOptions): SandboxFetch;
export declare function readCappedBody(response: Response, maxBytes: number): Promise<string>;
export {};
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