import { REJECTION_REASON } from '../src/constants.js';
import type { Currency, BidderCode } from "../src/types/common.d.ts";
export declare var currencySupportEnabled: boolean;
export declare var currencyRates: any;
export declare let responseReady: import("../src/utils/promise.js").Defer<void>;
export interface CurrencyConfig {
    /**
     *  ISO 4217 3-letter currency code that represents the target currency. (e.g. 'EUR').  If this value is present,
     *  the currency conversion feature is activated.
     */
    adServerCurrency: Currency;
    /**
     *  Optional URL to a file containing currency conversion data.  Prebid.org hosts a file that is used as the default,
     *  if not specified.
     */
    conversionRateFile?: string;
    /**
     * Time (in milliseconds) that auctions should be delayed to wait for conversion rates to load. Default is 0.
     */
    auctionDelay?: number;
    /**
     * A decimal value representing how much to scale the price granularity calculations.
     */
    granularityMultiplier?: number;
    /**
     *  This optional argument allows you to specify the rates with a JSON object, subverting the need for a external
     *  config.conversionRateFile parameter.  If this argument is specified, the conversion rate file will not be loaded.
     *
     *  example:
     *  {
     *    'GBP': { 'CNY': 8.8282, 'JPY': 141.7, 'USD': 1.2824 },
     *    'USD': { 'CNY': 6.8842, 'GBP': 0.7798, 'JPY': 110.49 }
     *  }
     */
    rates?: {
        [from: Currency]: {
            [to: Currency]: number;
        };
    };
    /**
     *  This optional currency rates definition follows the same format as config.rates, however it is only utilized if
     *  there is an error loading the config.conversionRateFile.
     */
    defaultRates?: CurrencyConfig['rates'];
    /**
     *  An optional argument to specify bid currencies for bid adapters.  This option is provided for the transitional phase
     *  before every bid adapter will specify its own bid currency.  If the adapter specifies a bid currency, this value is
     *  ignored for that bidder.
     *
     *  example:
     *  {
     *    rubicon: 'USD'
     *  }
     */
    bidderCurrencyDefault?: {
        [bidder: BidderCode]: Currency;
    };
}
declare module '../src/config' {
    interface Config {
        currency?: CurrencyConfig;
    }
}
export declare function setConfig(config: CurrencyConfig): void;
declare module '../src/prebidGlobal' {
    interface PrebidJS {
        convertCurrency: typeof convertCurrency;
    }
}
/**
 * Convert `amount` in currency `fromCurrency` to `toCurrency`.
 */
declare function convertCurrency(cpm: any, fromCurrency: any, toCurrency: any): number;
export declare function resetCurrency(): void;
declare module '../src/bidfactory' {
    interface BaseBid {
        /**
         * Convert this bid's CPM into the given currency.
         * @return the converted CPM as a string with 3 digit precision.
         */
        getCpmInNewCurrency(toCurrency: Currency): string;
    }
}
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 REJECTION_REASON)[keyof typeof REJECTION_REASON]) => void, args_3: () => void) => void>>;
export declare function setOrtbCurrency(ortbRequest: any, bidderRequest: any, context: any): void;
export declare const requestBidsHook: import("../src/hook.js").BeforeHook<"async", (options: import("../src/prebid.ts").PrivRequestBidsOptions | import("../src/prebid.ts").StartAuctionOptions) => void>;
export {};