import type { CaipAssetType, CaipChainId, Hex } from "@metamask/utils";
import type { QuoteResponseV1, FetchFunction, GenericQuoteRequest, BridgeAsset, TokenFeature, QuoteStreamCompleteData, BatchSellTradesRequest, BatchSellTradesResponse, FeatureId } from "../types.cjs";
export declare const getClientHeaders: ({ clientId, clientVersion, jwt, }: {
    clientId: string;
    clientVersion?: string | undefined;
    jwt?: string | undefined;
}) => {
    'Client-Version'?: string | undefined;
    Authorization?: string | undefined;
    'X-Client-Id': string;
};
/**
 * Returns a list of enabled (unblocked) tokens
 *
 * @deprecated Use the popular and search bridge-api endpoints instead
 *
 * @param chainId - The chain ID to fetch tokens for
 * @param clientId - The client ID for metrics
 * @param jwt - The JWT token for authentication
 * @param fetchFn - The fetch function to use
 * @param bridgeApiBaseUrl - The base URL for the bridge API
 * @param clientVersion - The client version for metrics (optional)
 * @returns A list of enabled (unblocked) tokens
 */
export declare function fetchBridgeTokens(chainId: Hex | CaipChainId, clientId: string, jwt: string | undefined, fetchFn: FetchFunction, bridgeApiBaseUrl: string, clientVersion?: string): Promise<Record<string, BridgeAsset>>;
/**
 * Fetches quotes from the bridge-api's getQuote endpoint
 *
 * @param request - The quote request
 * @param signal - The abort signal
 * @param clientId - The client ID for metrics
 * @param jwt - The JWT token for authentication
 * @param fetchFn - The fetch function to use
 * @param bridgeApiBaseUrl - The base URL for the bridge API
 * @param featureId - The feature ID to append to each quote
 * @param clientVersion - The client version for metrics (optional)
 * @returns A list of bridge tx quotes
 */
export declare function fetchBridgeQuotes(request: GenericQuoteRequest, signal: AbortSignal | null, clientId: string, jwt: string | undefined, fetchFn: FetchFunction, bridgeApiBaseUrl: string, featureId: FeatureId | null, clientVersion?: string): Promise<{
    quotes: QuoteResponseV1[];
    validationFailures: string[];
}>;
declare const fetchAssetPricesForCurrency: (request: {
    currency: string;
    assetIds: Set<CaipAssetType>;
    clientId: string;
    clientVersion?: string;
    fetchFn: FetchFunction;
    signal?: AbortSignal;
}) => Promise<Record<`${string}:${string}/${string}:${string}`, {
    [currency: string]: string;
}>>;
/**
 * Fetches the asset prices from the price API for multiple currencies
 *
 * @param request - The request object
 * @returns The asset prices by assetId
 */
export declare const fetchAssetPrices: (request: {
    currencies: Set<string>;
} & Omit<Parameters<typeof fetchAssetPricesForCurrency>[0], 'currency'>) => Promise<Record<`${string}:${string}/${string}:${string}`, {
    [currency: string]: string;
} | undefined>>;
/**
 * Fetches quotes from the bridge-api
 *
 * @param fetchFn - The fetch function to use
 * @param quoteRequests - An array of GenericQuoteRequest objects
 * @param signal - The abort signal
 * @param featureId - The {@link FeatureId} for the experience that's requesting the quotes
 * @param clientId - The client ID for metrics
 * @param jwt - The JWT token for authentication
 * @param bridgeApiBaseUrl - The base URL for the bridge API
 * @param serverEventHandlers - The server event handlers
 * @param serverEventHandlers.onQuoteValidationFailure - The function to handle quote validation failures
 * @param serverEventHandlers.onValidQuoteReceived - The function to handle valid quotes
 * @param serverEventHandlers.onTokenWarning - The function to handle token warning events
 * @param serverEventHandlers.onComplete - The function to handle the complete event emitted when the stream finishes
 * @param serverEventHandlers.onClose - The function to run when the stream is closed and there are no thrown errors
 * @param clientVersion - The client version for metrics (optional)
 * @returns A list of bridge tx quote promises
 */
export declare function fetchBridgeQuoteStream(fetchFn: FetchFunction, quoteRequests: GenericQuoteRequest[], signal: AbortSignal | undefined, featureId: FeatureId, clientId: string, jwt: string | undefined, bridgeApiBaseUrl: string, serverEventHandlers: {
    onClose: () => void | Promise<void>;
    onQuoteValidationFailure: (validationFailures: string[]) => void;
    onValidQuoteReceived: (quotes: QuoteResponseV1) => Promise<void>;
    onTokenWarning: (warning: TokenFeature) => void;
    onComplete: (data: QuoteStreamCompleteData) => void;
}, clientVersion?: string): Promise<void>;
export declare const formatBatchSellTradesRequest: (quotes: (QuoteResponseV1 | null)[], stxEnabled: boolean) => BatchSellTradesRequest;
/**
 * Fetches quotes from the bridge-api's getQuote endpoint
 *
 * @param quotes - The quotes to fetch the gasless transaction data and fees for. May contain null values if a quote is not available for a swap
 * @param stxEnabled - Flag to estimate gas cost more precisely for the batch sell feature.
 * @param signal - The abort signal
 * @param clientId - The client ID for metrics
 * @param jwt - The JWT token for authentication
 * @param fetchFn - The fetch function to use
 * @param bridgeApiBaseUrl - The base URL for the bridge API
 * @param clientVersion - The client version for metrics (optional)
 * @returns The batch sell trades and the total network fee
 */
export declare function fetchBatchSellTrades(quotes: (QuoteResponseV1 | null)[], stxEnabled: boolean, signal: AbortSignal | null, clientId: string, jwt: string | undefined, fetchFn: FetchFunction, bridgeApiBaseUrl: string, clientVersion?: string): Promise<BatchSellTradesResponse>;
export {};
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