import type { TokenAmount, SupportedChain } from "../types/index.js";
/** Round a number to N decimal places without trailing zeros. */
export declare function round(n: number, places?: number): number;
export declare function makeTokenAmount(chain: SupportedChain, address: `0x${string}`, amountWei: bigint, decimals: number, symbol: string, priceUsd?: number): TokenAmount;
/** Price up a list of token amounts in one batched call. Mutates in place. */
export declare function priceTokenAmounts(chain: SupportedChain, amounts: TokenAmount[]): Promise<void>;