import ContractAbi from "../../smartcontract/contractAbi";
/**
 * Loads contracts with internal cache
 */
export default class ContractLoader {
    private readonly apiUrl;
    private readonly cache;
    constructor(apiUrl?: string);
    /**
     * Load a contract
     *
     * @param contractAddress contractAddress in base58 or hex
     */
    load(contractAddress: string): Promise<ContractAbi>;
    /**
     * Retrieve a (cached) contract
     *
     * @param contractAddress contractAddress in base58 or hex
     */
    get(contractAddress: string): Promise<ContractAbi>;
    /**
     * Retrieve a (cached) contract
     *
     * @param contractAddress contractAddress in base58 or hex
     */
    getApi(contractAddress: string): Promise<any>;
}