/**
 * Fetches USD prices for all tokens available on the specified EVM chain via the SushiSwap module.
 *
 * @param chainId - The chain ID (as a string) representing the target blockchain network.
 * @returns A promise resolving to a map of token addresses to their current USD prices.
 * @throws Throws a formatted error if price fetching fails.
 */
export declare const fetchAllTokenPrices: (chainId: string) => Promise<Record<`0x${string}`, number>>;