import { Interface } from '@ethersproject/abi';
import { DeepReadonly } from 'ts-essentials';
import { Log, Logger } from '../../types';
import { StatefulEventSubscriber } from '../../stateful-event-subscriber';
import { IDexHelper } from '../../dex-helper/idex-helper';
import { OSwapPool, OSwapPoolState } from './types';
export declare class OSwapEventPool extends StatefulEventSubscriber<OSwapPoolState> {
    readonly parentName: string;
    readonly pool: OSwapPool;
    protected network: number;
    protected dexHelper: IDexHelper;
    protected iOSwap: Interface;
    protected iERC20: Interface;
    protected iERC4626: Interface;
    handlers: {
        [event: string]: (event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>) => DeepReadonly<OSwapPoolState> | null;
    };
    logDecoder: (log: Log) => any;
    addressesSubscribed: string[];
    constructor(parentName: string, pool: OSwapPool, network: number, dexHelper: IDexHelper, logger: Logger, iOSwap?: Interface, iERC20?: Interface, iERC4626?: Interface);
    protected parseLog(log: Log): import("@ethersproject/abi").LogDescription;
    /**
     * The function is called every time any of the subscribed
     * addresses release log. The function accepts the current
     * state, updates the state according to the log, and returns
     * the updated state.
     * @param state - Current state of event subscriber
     * @param log - Log released by one of the subscribed addresses
     * @returns Updates state of the event subscriber after the log
     */
    protected processLog(state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): DeepReadonly<OSwapPoolState> | null;
    /**
     * The function generates state using on-chain calls. This
     * function is called to regenerate state if the event based
     * system fails to fetch events and the local state is no
     * more correct.
     * @param blockNumber - Blocknumber for which the state should
     * should be generated
     * @returns state of the event subscriber at blocknumber
     */
    generateState(blockNumber: number): Promise<DeepReadonly<OSwapPoolState>>;
    getStateOrGenerate(blockNumber: number): Promise<OSwapPoolState>;
    /**
     * Handle a trade rate change on the pool.
     */
    handleTraderateChanged(event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): DeepReadonly<OSwapPoolState> | null;
    /**
     * Process the transfer events for tokens in/out of the pool
     * to keep the state's token balances up to date.
     * Also handles ERC4626 asset transfers to vault for ERC4626 pools.
     */
    handleTransfer(event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): DeepReadonly<OSwapPoolState> | null;
    handleRedeemRequested(event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): {
        withdrawsQueued: any;
        traderate0: string;
        traderate1: string;
        balance0: string;
        balance1: string;
        withdrawsClaimed: string;
        totalAssets?: string;
        totalShares?: string;
    };
    handleRedeemClaimed(event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): {
        withdrawsClaimed: string;
        traderate0: string;
        traderate1: string;
        balance0: string;
        balance1: string;
        withdrawsQueued: string;
        totalAssets?: string;
        totalShares?: string;
    };
    /**
     * Handle ERC4626 Deposit event from vault.
     * Updates totalShares when assets are deposited.
     */
    handleERC4626Deposit(event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): DeepReadonly<OSwapPoolState> | null;
    /**
     * Handle ERC4626 Withdraw event from vault.
     * Updates both totalAssets and totalShares when assets are withdrawn.
     */
    handleERC4626Withdraw(event: any, state: DeepReadonly<OSwapPoolState>, log: Readonly<Log>): DeepReadonly<OSwapPoolState> | null;
}