/**
 * @description
 * Gets the chain ID if its set, otherwise gets the chain ID from the access node
 *
 * @param {object} opts - Optional parameters
 * @returns {Promise<string>} The chain ID of the access node
 * @throws {Error} If the chain ID is not found
 *
 * @example
 * // returns "testnet"
 * getChainId()
 */
export function getChainId(opts?: object): Promise<string>;
/**
 * @description
 * Clears the chainId cache, useful for testing
 */
export function clearChainIdCache(): void;