import BigNumber from 'bignumber.js';
import { GenericToken } from '../../generic.token';
import { GenericEvent } from '../generic.event';
import { RawEventType } from '../generic.types';
import { SwapEventType } from './pair.types';
export declare class SwapEvent extends GenericEvent {
    private decodedTopics;
    private tokenIn;
    private tokenOut;
    feeAmount: BigNumber | undefined;
    tokenInReserves: BigNumber | undefined;
    tokenOutReserves: BigNumber | undefined;
    constructor(init: RawEventType);
    getTokenIn(): GenericToken | undefined;
    getTokenOut(): GenericToken | undefined;
    getTokenInReserves(): BigNumber | undefined;
    getTokenOutReserves(): BigNumber | undefined;
    toJSON(): SwapEventType;
    getTopics(): {
        eventName: string;
        firstTokenID: string;
        secondTokenID: string;
        caller: string;
        epoch: number;
    };
    private decodeEvent;
    private getStructure;
}