import { ethers } from 'ethers';
export interface TokenInfo {
    address: string;
    name: string;
    symbol: string;
    decimals: number;
}
/**
 * Utility functions for token information and formatting
 */
export declare class TokenUtils {
    /**
     * Get token information by address and network
     * @param network Network key (e.g., 'base', 'base_sepolia')
     * @param tokenAddress Token contract address
     * @returns Token information or undefined if not found
     */
    static getTokenInfo(network: string, tokenAddress: string): TokenInfo | undefined;
    /**
     * Get all supported tokens for a network
     * @param network Network key (e.g., 'base', 'base_sepolia')
     * @returns Array of token information
     */
    static getTokensByNetwork(network: string): TokenInfo[];
    /**
     * Format token amount for display using correct decimals
     * @param amount Amount in smallest unit (wei-like)
     * @param tokenAddress Token contract address
     * @param network Network key
     * @param maxDecimals Maximum decimal places to show (default: 6)
     * @returns Formatted amount string
     */
    static formatTokenAmount(amount: ethers.BigNumber | string | number, tokenAddress: string, network: string, maxDecimals?: number): string;
    /**
     * Parse token amount from string using correct decimals
     * @param amountString Amount as string
     * @param tokenAddress Token contract address
     * @param network Network key
     * @returns Amount in smallest unit (BigNumber)
     */
    static parseTokenAmount(amountString: string, tokenAddress: string, network: string): ethers.BigNumber;
    /**
     * Get token symbol by address and network
     * @param network Network key
     * @param tokenAddress Token contract address
     * @returns Token symbol or 'UNKNOWN'
     */
    static getTokenSymbol(network: string, tokenAddress: string): string;
    /**
     * Get token name by address and network
     * @param network Network key
     * @param tokenAddress Token contract address
     * @returns Token name or 'Unknown Token'
     */
    static getTokenName(network: string, tokenAddress: string): string;
    /**
     * Get token decimals by address and network
     * @param network Network key
     * @param tokenAddress Token contract address
     * @returns Token decimals or 18 (default)
     */
    static getTokenDecimals(network: string, tokenAddress: string): number;
    /**
     * Check if token is supported on network
     * @param network Network key
     * @param tokenAddress Token contract address
     * @returns True if token is supported
     */
    static isTokenSupported(network: string, tokenAddress: string): boolean;
    /**
     * Get network key from chain ID for token lookup
     * @param chainId Chain ID number
     * @returns Network key or undefined
     */
    static getNetworkKeyFromChainId(chainId: number): string | undefined;
    /**
     * Format token amount with symbol
     * @param amount Amount in smallest unit
     * @param tokenAddress Token contract address
     * @param network Network key
     * @param maxDecimals Maximum decimal places
     * @returns Formatted amount with symbol (e.g., "100.50 USDC")
     */
    static formatTokenAmountWithSymbol(amount: ethers.BigNumber | string | number, tokenAddress: string, network: string, maxDecimals?: number): string;
}
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