/**
 * This module adds Multibid support to prebid.js
 * @module modules/multibid
 */
import type { BidderCode } from "../../src/types/common.d.ts";
type MultiBidConfig = ({
    /**
     * A bidder code.
     */
    bidder: BidderCode;
    bidders?: undefined;
} | {
    /**
     * Multiple bidder codes.
     */
    bidders: BidderCode[];
    bidder?: undefined;
}) & {
    /**
     * The number of bids the named bidder(s) can supply. Max of 9.
     */
    maxBids: number;
    /**
     * An alternate (short) bidder code to send to the ad server. A number will be appended, starting from 2, e.g. hb_pb_PREFIX2.
     * If not provided, the extra bids will not go to the ad server.
     */
    targetBiddercodePrefix?: string;
};
declare module '../../src/config' {
    interface Config {
        multibid?: MultiBidConfig[];
    }
}
/**
 * @summary validates multibid configuration entries
 * @param {Object[]} conf - example [{bidder: 'bidderA', maxbids: 2, prefix: 'bidA'}, {bidder: 'bidderB', maxbids: 2}]
 * @return {Boolean}
 */
export declare function validateMultibid(conf: any): boolean;
/**
 * @summary addBidderRequests before hook
 * @param {Function} fn reference to original function (used by hook logic)
 * @param {Object[]} bidderRequests containing copy of each bidderRequest object
 */
export declare function adjustBidderRequestsHook(fn: any, bidderRequests: any): void;
declare module '../../src/bidfactory' {
    interface BaseBid {
        multibidPrefix?: string;
        originalBidder?: BaseBid['bidderCode'];
        originalRequestId?: BaseBid['requestId'];
        targetingBidder?: string;
    }
}
/**
 * @summary addBidResponse before hook
 * @param {Function} fn reference to original function (used by hook logic)
 * @param {String} ad unit code for bid
 * @param {Object} bid object
 */
export declare const addBidResponseHook: import("../../src/hook.js").BeforeHook<"async", import("../../src/hook.js").Hookable<"async", (adUnitCode: string, bid: Partial<import("../../src/bidfactory.ts").Bid>, reject: (reason: typeof import("../../src/constants.js").REJECTION_REASON[keyof typeof import("../../src/constants.js").REJECTION_REASON]) => void, args_3: () => void) => void>>;
/**
 * A descending sort function that will sort the list of objects based on the following:
 *  - bids without dynamic aliases are sorted before bids with dynamic aliases
 */
export declare function sortByMultibid(a: any, b: any): 0 | 1 | -1;
/**
 * @summary getHighestCpmBidsFromBidPool before hook
 * @param {Function} fn reference to original function (used by hook logic)
 * @param {Object[]} bidsReceived array of objects containing all bids from bid pool
 * @param {Function} highestCpmCallback function to reduce to only highest cpm value for each bidderCode
 * @param {Number} adUnitBidLimit bidder targeting limit, default set to 0
 * @param {Boolean} hasModified default set to false, this hook modifies targeting and sets to true
 */
export declare function targetBidPoolHook(fn: any, bidsReceived: any, highestCpmCallback: any, adUnitBidLimit?: number, hasModified?: boolean): void;
/**
 * Resets globally stored multibid configuration
 */
export declare const resetMultiConfig: () => void;
/**
 * Resets globally stored multibid ad unit bids
 */
export declare const resetMultibidUnits: () => void;
export declare function setOrtbExtPrebidMultibid(ortbRequest: any): void;
export {};