import { P as PackedUserOperation, U as UserOperation } from '../../index-BrOH79EF.cjs';

declare class ERC4337Utils {
    static packAccountGasLimits(verificationGasLimit: bigint | string, callGasLimit: bigint | string): string;
    static unpackAccountGasLimits(accountGasLimits: string): {
        verificationGasLimit: bigint;
        callGasLimit: bigint;
    };
    static packGasFees(maxPriorityFeePerGas: bigint | string, maxFeePerGas: bigint | string): string;
    static unpackGasFees(gasFees: string): {
        maxPriorityFeePerGas: bigint;
        maxFeePerGas: bigint;
    };
    static packUserOperation(userOp: any): PackedUserOperation;
    static unpackUserOperation(packedOp: PackedUserOperation): any;
}

declare class UserOpBuilder {
    private static DEFAULT_VERIFICATION_GAS_LIMIT;
    private static DEFAULT_PRE_VERIFICATION_GAS;
    private static DEFAULT_MAX_FEE_PER_GAS;
    private static DEFAULT_MAX_PRIORITY_FEE_PER_GAS;
    constructor();
    /**
     * Build specific parts of a UserOperation
     * Note: Full construction often requires chain interaction (nonce, gas price),
     * which typically happens in the application layer or via a Provider wrapper.
     * This builder focuses on formatting and structure.
     */
    buildUserOp(params: {
        sender: string;
        callData: string;
        nonce?: bigint;
        initCode?: string;
        callGasLimit?: bigint;
        verificationGasLimit?: bigint;
        preVerificationGas?: bigint;
        maxFeePerGas?: bigint;
        maxPriorityFeePerGas?: bigint;
        paymasterAndData?: string;
        signature?: string;
    }): Promise<UserOperation>;
    /**
     * Hash the UserOperation for signing (ERC-4337 v0.7)
     */
    getUserOpHash(userOp: PackedUserOperation, entryPoint: string, chainId: number): string;
}

export { ERC4337Utils, UserOpBuilder };