/**
 * Utility functions for formatting values in the swap module
 */
/**
 * Formats a token balance for display
 */
export declare function formatTokenBalance(balance: bigint, decimals: number): string;
/**
 * Formats a wallet address for display (truncated)
 */
export declare function formatWalletAddress(address: string): string;
/**
 * Formats estimated fill time in seconds to a readable string
 */
export declare function formatEstimatedTime(seconds: number): string;
/**
 * Formats a token amount for display
 */
export declare function formatTokenAmount(amount: string, decimals: number): string;
/**
 * Validates if a string is a valid numeric input
 */
export declare function isValidNumericInput(value: string): boolean;
