import BigNumber from 'bignumber.js';
import { PriceTokenAmount } from '../../../../../../common/tokens';
import { EvmBlockchainName } from '../../../../../../core/blockchain/models/blockchain-name';
import { EvmWeb3Private } from '../../../../../../core/blockchain/web3-private-service/web3-private/evm-web3-private/evm-web3-private';
import { EvmBasicTransactionOptions } from '../../../../../../core/blockchain/web3-private-service/web3-private/evm-web3-private/models/evm-basic-transaction-options';
import { EvmWeb3Public } from '../../../../../../core/blockchain/web3-public-service/web3-public/evm-web3-public/evm-web3-public';
import { EvmEncodeConfig } from '../../../../../../core/blockchain/web3-pure/typed-web3-pure/evm-web3-pure/models/evm-encode-config';
import { EncodeTransactionOptions } from '../../../../../common/models/encode-transaction-options';
import { SwapTransactionOptions } from '../../../../../common/models/swap-transaction-options';
import { CrossChainTrade } from '../cross-chain-trade';
import { GasData } from './models/gas-data';
import { TransactionReceipt } from 'web3-eth';
export declare abstract class EvmCrossChainTrade extends CrossChainTrade<EvmEncodeConfig> {
    abstract readonly from: PriceTokenAmount<EvmBlockchainName>;
    /**
     * Gas fee info in source blockchain.
     */
    abstract readonly gasData: GasData;
    protected get fromWeb3Public(): EvmWeb3Public;
    protected get web3Private(): EvmWeb3Private;
    /**
     * Signature to auth wallet
     */
    protected signature: string;
    protected get gasLimitRatio(): number;
    /**
     * Gets gas fee in source blockchain.
     */
    get estimatedGas(): BigNumber | null;
    /**
     * Returns true, if allowance is not enough.
     */
    needApprove(): Promise<boolean>;
    approve(options: EvmBasicTransactionOptions, checkNeedApprove?: boolean, amount?: BigNumber | 'infinity'): Promise<TransactionReceipt>;
    authWallet(): Promise<string>;
    /**
     *
     * @returns txHash(srcTxHash) | never
     */
    swap(options?: SwapTransactionOptions): Promise<string | never>;
    encode(options: EncodeTransactionOptions): Promise<EvmEncodeConfig>;
    protected getTransactionConfigAndAmount(testMode?: boolean, receiverAddress?: string): Promise<{
        config: EvmEncodeConfig;
        amount: string;
    }>;
}