import type { Logger } from "pino";
import { Counter, Gauge } from "prom-client";
import { UpdateCondition } from "./price-config.js";
export declare class PricePusherMetrics {
    private registry;
    private server;
    private logger;
    lastPublishedTime: Gauge;
    priceUpdateAttempts: Counter;
    priceFeedsTotal: Gauge;
    sourceTimestamp: Gauge;
    configuredTimeDifference: Gauge;
    sourcePriceValue: Gauge;
    targetPriceValue: Gauge;
    walletBalance: Gauge;
    loopIterations: Counter;
    private lastLoopIterationAt;
    private livenessThresholdMs;
    constructor(logger: Logger);
    start(port: number): void;
    recordPriceUpdate(alias: string, trigger?: string): void;
    recordUpdateCondition(alias: string, condition: UpdateCondition): void;
    recordPriceUpdateError(alias: string, trigger?: string): void;
    setPriceFeedsTotal(count: number): void;
    recordLoopIteration(): void;
    setLivenessThresholdSeconds(seconds: number): void;
    updateTimestamps(alias: string, targetLatestPricePublishTime: number, sourceLatestPricePublishTime: number, priceConfigTimeDifference: number): void;
    updatePriceValues(alias: string, sourcePrice: string | undefined, targetPrice: string | undefined): void;
    updateWalletBalance(walletAddress: string, network: string, balance: bigint | number): void;
}