export interface MetricsV2Point {
    latitude: number;
    longitude: number;
    accuracy?: number;
    altitude?: number;
    timestamp: number;
    speed?: number;
}
export interface MetricsV2Summary {
    sessionId: string;
    pointCount: number;
    totalDistance2d: number;
    correctedDistance2d: number;
    movingDistance2d: number;
    maxSpeedMps: number;
    averageSpeedMps: number;
    droppedPoints: number;
    notes: string[];
}
/**
 * Haversine distance (2D) in meters.
 * Complexity: O(1)
 */
export declare function distance2dMeters(a: MetricsV2Point, b: MetricsV2Point): number;
/**
 * Corrected distance pipeline (V2)
 *
 * Pipeline:
 * - timestamp sanity
 * - accuracy gating (optional)
 * - outlier rejection by implied speed (meters / second)
 * - sum remaining segments
 *
 * Complexity: O(n)
 */
export declare function computeMetricsV2(sessionId: string, points: MetricsV2Point[], options?: {
    maxAccuracyM?: number;
    maxImpliedSpeedMps?: number;
    movingSpeedThresholdMps?: number;
}): MetricsV2Summary;
//# sourceMappingURL=computeMetricsV2.d.ts.map