export interface LatLng {
    latitude: number;
    longitude: number;
}
export interface RouteConfig {
    /** Ordered polyline points (WGS84). */
    route: LatLng[];
    /** Corridor radius in meters. */
    corridorRadiusM?: number;
    /** Heading tolerance for wrong-direction (degrees). */
    wrongDirectionToleranceDeg?: number;
}
export type SpatialEvent = {
    type: 'inCorridor';
    distanceToRouteM: number;
} | {
    type: 'outOfCorridor';
    distanceToRouteM: number;
} | {
    type: 'offRoute';
    distanceToRouteM: number;
} | {
    type: 'wrongDirection';
    headingDeg: number;
    expectedBearingDeg: number;
    deltaDeg: number;
} | {
    type: 'returnedToRoute';
    distanceToRouteM: number;
};
/**
 * Spatial Intelligence MVP (JS implementation).
 *
 * - Corridor monitoring (in/out)
 * - Off-route detection
 * - Wrong-direction heuristic
 *
 * Events are logged to DiagnosticsEngine (and best-effort native log) so they remain
 * available offline and in headless contexts.
 */
declare class SpatialEngine {
    private config;
    private wasOut;
    setRoute(config: RouteConfig): void;
    clearRoute(): void;
    /**
     * Evaluate a location point against the configured route.
     * Returns 0..n events for this point.
     */
    evaluate(point: LatLng & {
        headingDeg?: number | null;
    }): SpatialEvent[];
}
export declare const Spatial: SpatialEngine;
export default Spatial;
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