/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import type { IncomingMessage } from 'http';
import type { ParsedUrlQuery } from 'querystring';
import type { UrlWithParsedQuery } from 'url';
import type { BaseNextRequest } from './base-http';
import type { CloneableBody } from './body-streams';
import type { RouteMatch } from './future/route-matches/route-match';
import type { NEXT_RSC_UNION_QUERY } from '../client/components/app-router-headers';
export declare const NEXT_REQUEST_META: unique symbol;
export type NextIncomingMessage = (BaseNextRequest | IncomingMessage) & {
    [NEXT_REQUEST_META]?: RequestMeta;
};
export interface RequestMeta {
    /**
     * The query that was used to make the request.
     */
    initQuery?: ParsedUrlQuery;
    /**
     * The URL that was used to make the request.
     */
    initURL?: string;
    /**
     * The protocol that was used to make the request.
     */
    initProtocol?: string;
    /**
     * The body that was read from the request. This is used to allow the body to
     * be read multiple times.
     */
    clonableBody?: CloneableBody;
    /**
     * True when the request matched a locale domain that was configured in the
     * next.config.js file.
     */
    isLocaleDomain?: boolean;
    /**
     * True when the request had locale information stripped from the pathname
     * part of the URL.
     */
    didStripLocale?: boolean;
    /**
     * If the request had it's URL rewritten, this is the URL it was rewritten to.
     */
    rewroteURL?: string;
    /**
     * The cookies that were added by middleware and were added to the response.
     */
    middlewareCookie?: string[];
    /**
     * The match on the request for a given route.
     */
    match?: RouteMatch;
    /**
     * The incremental cache to use for the request.
     */
    incrementalCache?: any;
    /**
     * True when the request is for the prefetch flight data.
     */
    isPrefetchRSCRequest?: true;
    /**
     * True when the request is for the flight data.
     */
    isRSCRequest?: true;
    /**
     * Postponed state to use for resumption. If present it's assumed that the
     * request is for a page that has postponed (there are no guarantees that the
     * page actually has postponed though as it would incur an additional cache
     * lookup).
     */
    postponed?: string;
    /**
     * If provided, this will be called when a response cache entry was generated
     * or looked up in the cache.
     */
    onCacheEntry?: (cacheEntry: any, requestMeta: any) => Promise<boolean | void> | boolean | void;
    /**
     * The previous revalidate before rendering 404 page for notFound: true
     */
    notFoundRevalidate?: number | false;
    /**
     * The path we routed to and should be invoked
     */
    invokePath?: string;
    /**
     * The specific page output we should be matching
     */
    invokeOutput?: string;
    /**
     * The status we are invoking the request with from routing
     */
    invokeStatus?: number;
    /**
     * The routing error we are invoking with
     */
    invokeError?: Error;
    /**
     * The query parsed for the invocation
     */
    invokeQuery?: Record<string, undefined | string | string[]>;
    /**
     * Whether the request is a middleware invocation
     */
    middlewareInvoke?: boolean;
}
/**
 * Gets the request metadata. If no key is provided, the entire metadata object
 * is returned.
 *
 * @param req the request to get the metadata from
 * @param key the key to get from the metadata (optional)
 * @returns the value for the key or the entire metadata object
 */
export declare function getRequestMeta(req: NextIncomingMessage, key?: undefined): RequestMeta;
export declare function getRequestMeta<K extends keyof RequestMeta>(req: NextIncomingMessage, key: K): RequestMeta[K];
/**
 * Sets the request metadata.
 *
 * @param req the request to set the metadata on
 * @param meta the metadata to set
 * @returns the mutated request metadata
 */
export declare function setRequestMeta(req: NextIncomingMessage, meta: RequestMeta): RequestMeta;
/**
 * Adds a value to the request metadata.
 *
 * @param request the request to mutate
 * @param key the key to set
 * @param value the value to set
 * @returns the mutated request metadata
 */
export declare function addRequestMeta<K extends keyof RequestMeta>(request: NextIncomingMessage, key: K, value: RequestMeta[K]): RequestMeta;
/**
 * Removes a key from the request metadata.
 *
 * @param request the request to mutate
 * @param key the key to remove
 * @returns the mutated request metadata
 */
export declare function removeRequestMeta<K extends keyof RequestMeta>(request: NextIncomingMessage, key: K): RequestMeta;
type NextQueryMetadata = {
    __nextNotFoundSrcPage?: string;
    __nextDefaultLocale?: string;
    __nextFallback?: 'true';
    /**
     * The locale that was inferred or explicitly set for the request.
     *
     * When this property is mutated, it's important to also update the request
     * metadata for `_nextInferredDefaultLocale` to ensure that the correct
     * behavior is applied.
     */
    __nextLocale?: string;
    /**
     * `1` when the request did not have a locale in the pathname part of the
     * URL but the default locale was inferred from either the domain or the
     * configuration.
     */
    __nextInferredLocaleFromDefault?: '1';
    __nextSsgPath?: string;
    _nextBubbleNoFallback?: '1';
    /**
     * When set to `1`, the request is for the `/_next/data` route using the pages
     * router.
     */
    __nextDataReq?: '1';
    __nextCustomErrorRender?: '1';
    [NEXT_RSC_UNION_QUERY]?: string;
};
export type NextParsedUrlQuery = ParsedUrlQuery & NextQueryMetadata & {
    amp?: '1';
};
export interface NextUrlWithParsedQuery extends UrlWithParsedQuery {
    query: NextParsedUrlQuery;
}
export declare function getNextInternalQuery(query: NextParsedUrlQuery): NextQueryMetadata;
export {};
