import { ethers } from 'ethers';
export declare function encodeTxData(operation: number, to: string, value: number, data: string): string;
export declare function encodeMultisendData(IMultisend: ethers.Interface, transactions: any[]): string;
export declare function encodeSignatures(approvers: string[]): string;
export declare function stripHexPrefix(str: string): string;
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