export declare const useCheckApproval: () => {
    data: bigint | undefined;
    isCheckingApproval: boolean;
    isRefetchingApproval: boolean;
    refetchApproval: (options?: import('@tanstack/react-query').RefetchOptions) => Promise<import('@tanstack/react-query').QueryObserverResult<bigint, import('viem').ReadContractErrorType>>;
};
