import { UFOConfig } from './types';
export declare class ufoInfoSDK {
    private ethProvider;
    private maticProvider;
    private ufoConfig;
    constructor(ufoConfig: UFOConfig, netType: string);
    private getMultiCallParams;
    getInfoOfEth(address: string): Promise<any>;
    getInfoOfMatic(address: string): Promise<any>;
    private getBalanceInfo;
    getNFTContractInfo(nftAddr: string, nftType?: string): Promise<any>;
}