/**
 * Shared percentile computation used by all telemetry store implementations.
 */
import type { RequestMetric, PhaseTiming, TelemetrySummary } from "./types";
export declare function computePercentiles(values: number[]): PhaseTiming;
/**
 * Compute a TelemetrySummary from an array of RequestMetric.
 * Both MemoryTelemetryStore and SqliteTelemetryStore use this
 * to guarantee identical output.
 */
export declare function computeSummary(metrics: RequestMetric[], windowMs: number): TelemetrySummary;
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