import type { HermesClient, HexString, UnixTimestamp } from "@pythnetwork/hermes-client";
import type { Logger } from "pino";
import type { IPricePusher, PriceInfo, PriceItem } from "../interface.js";
import { ChainPriceListener } from "../interface.js";
import type { DurationInSeconds } from "../utils.js";
import type { GasPriceConfig } from "./gas-price.js";
import type { PythContract } from "./pyth-contract.js";
import type { SuperWalletClient } from "./super-wallet.js";
export declare class EvmPriceListener extends ChainPriceListener {
    private pythContract;
    private watchEvents;
    private logger;
    constructor(pythContract: PythContract, priceItems: PriceItem[], watchEvents: boolean, logger: Logger, config: {
        pollingFrequency: DurationInSeconds;
    });
    start(): Promise<void>;
    private startWatching;
    private onPriceFeedUpdate;
    getOnChainPriceInfo(priceId: HexString): Promise<PriceInfo | undefined>;
}
export declare class EvmPricePusher implements IPricePusher {
    private hermesClient;
    private client;
    private pythContract;
    private logger;
    private overrideGasPriceMultiplier;
    private overrideGasPriceMultiplierCap;
    private updateFeeMultiplier;
    private gasPriceConfig;
    private gasLimit?;
    private receiptWaitTimeoutMs;
    private receiptPollIntervalMs;
    private pusherAddress;
    private lastPushAttempt;
    private receiptTrackers;
    private trackedNonce;
    constructor(hermesClient: HermesClient, client: SuperWalletClient, pythContract: PythContract, logger: Logger, overrideGasPriceMultiplier: number, overrideGasPriceMultiplierCap: number, updateFeeMultiplier: number, gasPriceConfig: GasPriceConfig, gasLimit?: number | undefined, receiptWaitTimeoutMs?: number, receiptPollIntervalMs?: number);
    updatePriceFeed(priceIds: string[], pubTimesToPush: UnixTimestamp[]): Promise<void>;
    dispose(): void;
    private trackTransactionReceipt;
    private pollTransactionReceipt;
    private interruptibleSleep;
    private getPriceFeedsUpdateData;
}