import { Interface } from '@ethersproject/abi';
import { DeepReadonly } from 'ts-essentials';
import { PartialEventSubscriber } from '../../composed-event-subscriber';
import { Address, MultiCallInput, MultiCallOutput, Logger, Log, BlockHeader } from '../../types';
import { FastPriceFeedConfig, FastPriceFeedState } from './types';
import { Lens } from '../../lens';
export declare class FastPriceFeed<State> extends PartialEventSubscriber<State, FastPriceFeedState> {
    private fastPriceFeedAddress;
    private tokenAddresses;
    static readonly interface: Interface;
    static readonly fastPriceEventsInterface: Interface;
    BASIS_POINTS_DIVISOR: bigint;
    protected priceDuration: number;
    protected maxDeviationBasisPoints: bigint;
    protected favorFastPrice: Record<string, boolean>;
    private spreadBasisPointsIfInactive;
    private spreadBasisPointsIfChainError;
    private maxPriceUpdateDelay;
    constructor(fastPriceFeedAddress: Address, fastPriceEventsAddress: Address, tokenAddresses: Address[], config: FastPriceFeedConfig, lens: Lens<DeepReadonly<State>, DeepReadonly<FastPriceFeedState>>, logger: Logger);
    processLog(state: DeepReadonly<FastPriceFeedState>, log: Readonly<Log>, blockHeader: Readonly<BlockHeader>): DeepReadonly<FastPriceFeedState> | null;
    getPrice(_state: DeepReadonly<State>, _token: Address, _refPrice: bigint, _maximize: boolean): bigint;
    static getConfigMulticallInputs(fastPriceFeedAddress: Address, tokenAddresses: Address[]): MultiCallInput[];
    static getConfig(multicallOutputs: MultiCallOutput[], tokenAddresses: Address[]): FastPriceFeedConfig;
    getGenerateStateMultiCallInputs(): MultiCallInput[];
    generateState(multicallOutputs: MultiCallOutput[], blockNumber?: number | 'latest'): DeepReadonly<FastPriceFeedState>;
}