import { LogDescription } from '@ethersproject/abi';
import { DeepReadonly } from 'ts-essentials';
import { IDexHelper } from '../../dex-helper';
import { StatefulEventSubscriber } from '../../stateful-event-subscriber';
import { Log, BlockHeader, Address } from '../../types';
import { ERC20StateMap } from './types';
export declare class ERC20EventSubscriber extends StatefulEventSubscriber<ERC20StateMap> {
    readonly dexHelper: IDexHelper;
    private token;
    private walletAddresses;
    private handlers;
    constructor(dexHelper: IDexHelper, token: Address);
    handleTransferEvent(event: LogDescription, state: ERC20StateMap): ERC20StateMap;
    handleWrappedDeposit(event: LogDescription, state: ERC20StateMap): ERC20StateMap;
    handleWrappedWithdrawal(event: LogDescription, state: ERC20StateMap): ERC20StateMap;
    protected processBlockLogs(state: DeepReadonly<ERC20StateMap>, logs: Readonly<Log>[], blockHeader: Readonly<BlockHeader>): Promise<DeepReadonly<ERC20StateMap> | null>;
    protected processLog(state: DeepReadonly<ERC20StateMap>, log: Readonly<Log>, blockHeader: Readonly<BlockHeader>): DeepReadonly<ERC20StateMap> | null;
    private getBalanceRPC;
    subscribeToWalletBalanceChange(wallet: Address, blockNumber: number): Promise<void>;
    generateState(blockNumber: number): Promise<Readonly<ERC20StateMap>>;
    getBalance(wallet: Address, blockNumber: number): Promise<bigint>;
}