import { TonCenterBlockInfo } from '../../models/ton/ton-center-types';
import { TonApiAccountInfoResp, TonApiAllNonNullableTokenInfoForWalletResp, TonApiTokenInfoForWalletResp, TonApiTokenInfoResp, TonApiTxDataByBocResp } from '../../models/ton/tonapi-types';
import { Web3PrimitiveType } from '../../models/web3-primitive-type';
export declare class TonApiService {
    private readonly xApiUrl;
    private readonly xApiKey;
    /**
     *
     * @param walletAddress in any format: raw or friendly
     */
    fetchWalletSeqno(walletAddress: string): Promise<number>;
    fetchTxInfo(txHash: string): Promise<TonApiTxDataByBocResp>;
    fetchTxInfoByMessageHash(txHash: string): Promise<TonApiTxDataByBocResp>;
    checkIsTxCompleted(txHash: string): Promise<boolean>;
    healthcheck(): Promise<boolean>;
    fetchLastBlockInfo(): Promise<TonCenterBlockInfo>;
    /**
     *
     * @param walletAddress in any format: raw or friendly
     */
    callContractMethod<T>(walletAddress: string, methodName: string, methodArgs: Web3PrimitiveType[]): Promise<T>;
    fetchTokenInfo(tokenAddress: string): Promise<TonApiTokenInfoResp['metadata']>;
    /**
     *
     * @param tokenAddress in any form: raw or friendly
     * @returns balance, decimals, name, symbol, walletJettonAddress, jettonAddress
     */
    fetchTokenInfoForWallet(walletAddress: string, tokenAddress: string): Promise<TonApiTokenInfoForWalletResp>;
    fetchAllNonNullableTokensInfoForWallet(walletAddress: string): Promise<TonApiAllNonNullableTokenInfoForWalletResp['balances']>;
    /**
     * @returns available methods for walletAddress(contract), raw address and native coin TON balance
     */
    fetchAccountInfo(walletAddress: string): Promise<TonApiAccountInfoResp>;
}