import { providers } from 'ethers';
import BaseService from '../commons/BaseService';
import { eEthereumTxType, transactionType } from '../commons/types';
import { HelperContract } from './typechain/HelperContract';
export declare class HelperContractService extends BaseService<HelperContract> {
    instance: HelperContract;
    constructor(provider: providers.Provider, address: string);
    convertApeCoinToPCApe(amount: string, receiver: string): {
        tx: () => Promise<transactionType>;
        txType: eEthereumTxType;
        gas: import("../commons/types").GasResponse;
    };
    convertPCApeToApeCoin(amount: string, receiver: string): {
        tx: () => Promise<transactionType>;
        txType: eEthereumTxType;
        gas: import("../commons/types").GasResponse;
    };
}
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