/**
 * Spot USD price of the source token, for the USD floor and ceiling the host
 * configures (`getMinWithdrawalUSD` / `getMaxWithdrawalUSD`).
 *
 * A dollar stablecoin is priced from its symbol and never fetched, as web's
 * `useAssetAddressPrice` does — it is the common withdrawal source, and the
 * amount screen was waiting on a round trip to be told a dollar is a dollar.
 *
 * `0` means "unknown", which is what the core validator reads as "no price" —
 * so a failed or in-flight lookup leaves the USD limits inert rather than
 * judging an amount against a made-up rate. Per-token limits and the balance
 * check are unaffected either way.
 *
 * Not every source has a price: Lighter's L2 assets are addressed by index, not
 * by an ERC-20 funkit's price API knows, so that lookup 404s and core's Relay
 * fallback is what prices them.
 */
export declare function useSourceTokenUsdPrice(sourceToken: {
    chainId: string | number;
    address: string;
    symbol: string;
} | undefined, { enabled, refetchInterval, }?: {
    enabled?: boolean;
    refetchInterval?: number | false;
}): {
    refetch: (options?: import("@tanstack/react-query").RefetchOptions) => Promise<import("@tanstack/react-query").QueryObserverResult<number, Error>>;
    data: number;
    isUnavailable: boolean;
    isPending: boolean;
    isError: boolean;
    isFetching: boolean;
};
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