/**
 * Display formatting for launch UIs and error messages. Values read in the units the launch UI uses:
 * fees as percentages and token amounts as human-readable decimals — never raw hundredths-of-a-bip
 * or base units.
 */
/**
 * Formats a Uniswap pool fee (hundredths of a bip — 3000 = 0.3%, 1_000_000 = 100%) as a percentage:
 * 3000 -> "0.3%", 3001 -> "0.3001%", 100 -> "0.01%", 10000 -> "1%".
 */
export declare function formatFeePercent(fee: number): string;
/**
 * Formats a raw on-chain token amount (base units) as a grouped human-readable decimal, with an
 * optional symbol: (57500000000000000000000000n, 18, 'WBTC') -> "57,500,000 WBTC".
 */
export declare function formatTokenAmount(rawAmount: bigint, decimals: number, symbol?: string): string;