import type { EntityPosition } from "./entityStore.js";
import type { SceneObject } from "./objectStore.js";
export interface ObjectRaycastInput {
    origin: EntityPosition;
    direction: EntityPosition;
    maxDistance: number;
    halfExtents?: EntityPosition;
    filter?: (object: SceneObject) => boolean;
}
export interface ObjectRaycastHit {
    instanceId: string;
    catalogId: string;
    distance: number;
    point: EntityPosition;
    normal: EntityPosition;
}
/** Optional broadphase for large object sets — typically `ObjectStore.inBox`. */
export interface ObjectQueryBroadphase {
    inBox(min: EntityPosition, max: EntityPosition): readonly SceneObject[];
}
export type ObjectRaycastSource = readonly SceneObject[] | ObjectQueryBroadphase;
declare function normalize(direction: EntityPosition): EntityPosition;
declare function intersectAabb(origin: EntityPosition, direction: EntityPosition, min: EntityPosition, max: EntityPosition, maxDistance: number): {
    distance: number;
    normal: EntityPosition;
} | null;
/** @internal */
export declare function raycastObjects(source: ObjectRaycastSource, input: ObjectRaycastInput): ObjectRaycastHit | null;
/** @internal */
export declare function raycastObjectsAll(source: ObjectRaycastSource, input: ObjectRaycastInput): ObjectRaycastHit[];
export { intersectAabb, normalize as normalizeDirection };