import { Registry } from 'prom-client';
export declare function normalizeRouteLabel(path: string): string;
export declare function observeHttpRequest(method: string, route: string, statusCode: number, durationMs: number): void;
export declare function setClaudeRuntimeState(activeRequests: number, queuedRequests: number): void;
export declare function incrementClaudeRuntimeRejected(): void;
export declare function incrementClaudeRuntimeQueueTimeouts(): void;
export declare function getMetricsRegistry(): Registry;
//# sourceMappingURL=metrics.d.ts.map