/**
 * Rewrap `factoryData` if the facilitator returned v0.6 format.
 * Returns the rewrapped hex, or the input unchanged when no rewrap is needed.
 */
export declare function rewrapFactoryData(factoryData: string | undefined): string | undefined;
export interface UnpackedUserOp {
    sender: string;
    nonce: string;
    factory?: string;
    factoryData?: string;
    callData: string;
    callGasLimit: string;
    verificationGasLimit: string;
    preVerificationGas: string;
    maxFeePerGas: string;
    maxPriorityFeePerGas: string;
    paymaster?: string;
    paymasterVerificationGasLimit?: string;
    paymasterPostOpGasLimit?: string;
    paymasterData?: string;
}
/**
 * Compute the ERC-4337 v0.7 userOpHash from the facilitator's UNPACKED UserOp shape.
 * Mirrors `EntryPoint.getUserOpHash()` exactly.
 */
export declare function computeUnpackedUserOpHash(userOp: UnpackedUserOp, chainId: number): string;
/**
 * Apply the legacy-factoryData rewrap + hash-recompute flow to a
 * facilitator-returned UserOp. Mutates `userOp.factoryData` if needed and
 * returns the hash to sign (fresh if rewrapped, facilitator-provided otherwise).
 */
export declare function patchLegacyUserOp(userOp: UnpackedUserOp, facilitatorHash: string, chainId: number): {
    hashToSign: string;
    patched: boolean;
};