import type { ParticleEmitterConfig, ParticleObject, ParticleObjectsState, ParticleObjectsUpdateOptions } from '@flighthq/types/contract';
/** True once a finite, non-looping object emitter has finished emitting AND all of
 *  its objects are dead (invisible) — a one-shot effect that is safe to recycle.
 *  Always false for infinite or looping emitters (they never finish). */
export declare function isParticleObjectsComplete(objects: readonly ParticleObject[], state: Readonly<ParticleObjectsState>, config: Readonly<ParticleEmitterConfig>): boolean;
export declare function updateParticleObjects(objects: readonly ParticleObject[], state: ParticleObjectsState, config: Readonly<ParticleEmitterConfig>, deltaTime: number, options?: ParticleObjectsUpdateOptions): void;
//# sourceMappingURL=updateParticleObjects.d.ts.map