/**
 * XDC Address Utilities
 *
 * XDC Network uses a unique address format with 'xdc' prefix instead of '0x'.
 * These utilities handle conversion and validation of both formats.
 */
import { ethers } from 'ethers';
/**
 * Convert 0x address to xdc format
 * @param address - Address in 0x format
 * @returns Address in xdc format
 */
export declare function toXdcAddress(address: string): string;
/**
 * Convert xdc address to 0x format (for ethers.js compatibility)
 * @param address - Address in xdc or 0x format
 * @returns Address in 0x format
 */
export declare function toEthAddress(address: string): string;
/**
 * Validate XDC address (accepts both formats)
 * @param address - Address to validate
 * @returns True if valid
 */
export declare function isValidXdcAddress(address: string): boolean;
/**
 * Get checksum address (0x format)
 * @param address - Address to checksum
 * @returns Checksummed address
 */
export declare function getChecksumAddress(address: string): string;
/**
 * Normalize address to a consistent format
 * @param address - Address in any format
 * @param format - Target format ('xdc' or '0x')
 * @returns Normalized address
 */
export declare function normalizeAddress(address: string, format?: 'xdc' | '0x'): string;
/**
 * Check if address is a contract
 * @param provider - ethers provider
 * @param address - Address to check
 * @returns True if contract
 */
export declare function isContract(provider: ethers.Provider, address: string): Promise<boolean>;
/**
 * Compare two addresses (format-agnostic)
 * @param address1 - First address
 * @param address2 - Second address
 * @returns True if addresses are equal
 */
export declare function addressesEqual(address1: string, address2: string): boolean;
/**
 * Truncate address for display
 * @param address - Address to truncate
 * @param startChars - Characters to show at start (default 6)
 * @param endChars - Characters to show at end (default 4)
 * @returns Truncated address
 */
export declare function truncateAddress(address: string, startChars?: number, endChars?: number): string;
/**
 * Check if address is zero address
 * @param address - Address to check
 * @returns True if zero address
 */
export declare function isZeroAddress(address: string): boolean;
/**
 * Get zero address in specified format
 * @param format - Address format
 * @returns Zero address
 */
export declare function getZeroAddress(format?: 'xdc' | '0x'): string;
/**
 * Parse address from various formats (handles mixed case)
 * @param input - Address input
 * @returns Parsed address or null if invalid
 */
export declare function parseAddress(input: string): string | null;
/**
 * Create address from bytes
 * @param bytes - Bytes to convert
 * @returns Address in xdc format
 */
export declare function addressFromBytes(bytes: Uint8Array | string): string;
/**
 * Extract address from contract creation transaction
 * @param senderAddress - Address of contract deployer
 * @param nonce - Transaction nonce
 * @returns Predicted contract address
 */
export declare function predictContractAddress(senderAddress: string, nonce: number): string;
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