/**
 * Fetches the list of liquidity providers from the SushiSwap API for the given chain.
 *
 * @param chainId - The chain ID representing the target blockchain network.
 * @returns A promise resolving to the fetched liquidity provider data.
 * @throws Throws a formatted error if the API request fails.
 */
export declare const fetchLiquidityProviders: (chainId: string) => Promise<unknown>;