import { Object3D } from "three";
//#region src/ecs/HierarchyStateTracker.d.ts
/** Compare shared Object3D paths once per frame and report affected sources. */
declare class HierarchyStateTracker {
  private readonly _observed;
  private _frame;
  /** Begin a new memoization frame for shared ancestor comparisons. */
  beginFrame(): void;
  /**
   * Check a source path up to (but excluding) its draw boundary. A parent
   * override models directly-enrolled sprites without reparenting the source.
   */
  pathChanged(source: Object3D, boundary: Object3D | null, parentOverride?: Object3D | null, sourceVisible?: boolean, sourceIsSprite?: boolean): boolean;
  /** Compare one object's authored matrix, parent, and visibility snapshot. */
  private _objectChanged;
}
//#endregion
export { HierarchyStateTracker };
//# sourceMappingURL=HierarchyStateTracker.d.ts.map