export declare const proxyMetrics: {
    requestsTotal: import("@opentelemetry/api").Counter<import("@opentelemetry/api").Attributes>;
    errorsTotal: import("@opentelemetry/api").Counter<import("@opentelemetry/api").Attributes>;
    rotationsTotal: import("@opentelemetry/api").Counter<import("@opentelemetry/api").Attributes>;
    healthChecksTotal: import("@opentelemetry/api").Counter<import("@opentelemetry/api").Attributes>;
    failoversTotal: import("@opentelemetry/api").Counter<import("@opentelemetry/api").Attributes>;
    responseTime: import("@opentelemetry/api").Histogram<import("@opentelemetry/api").Attributes>;
    healthCheckDuration: import("@opentelemetry/api").Histogram<import("@opentelemetry/api").Attributes>;
    activeProxies: import("@opentelemetry/api").UpDownCounter<import("@opentelemetry/api").Attributes>;
    healthyProxies: import("@opentelemetry/api").UpDownCounter<import("@opentelemetry/api").Attributes>;
    activeContexts: import("@opentelemetry/api").UpDownCounter<import("@opentelemetry/api").Attributes>;
};
export declare function recordProxyRequest(proxyId: string, protocol: string, success: boolean, responseTime?: number): void;
export declare function recordProxyRotation(contextId: string, reason: 'scheduled' | 'error' | 'health' | 'manual', oldProxyId?: string, newProxyId?: string): void;
export declare function recordProxyHealthCheck(proxyId: string, healthy: boolean, duration: number): void;
export declare function recordProxyFailover(contextId: string, failedProxyId: string, newProxyId: string): void;
export declare function updateActiveProxyCount(delta: number): void;
export declare function updateHealthyProxyCount(delta: number): void;
export declare function updateActiveContextCount(delta: number): void;
export declare function initializeProxyTelemetry(): void;
export declare function getProxyMetricsSnapshot(): Record<string, any>;
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