import type { TransformNode } from "@babylonjs/core/Meshes/transformNode.js";
import type { IParticleEmitterType } from "@babylonjs/core/Particles/EmitterTypes/IParticleEmitterType.js";
import { ParticleSystem } from "@babylonjs/core/Particles/particleSystem.js";
import type { Scene } from "@babylonjs/core/scene.js";
import type { EntityRecord, ParticleEntityProperties, SceneDocumentData } from "@skenora/contracts";
import type { ResourceResolver } from "@skenora/resources";
import type { RuntimeEntityProjector } from "./entity-projection-registry.js";
export { PARTICLE_PLAYBACK_CAPABILITY, type ParticlePlaybackCapability, } from "./particle-capability.js";
export interface RuntimeParticle {
    node: TransformNode;
    system: ParticleSystem;
}
export declare function createParticleEntityProjector(shouldAutoStartBehaviors?: () => boolean): RuntimeEntityProjector;
export declare function createParticleEntity(scene: Scene, resources: ResourceResolver, document: Readonly<SceneDocumentData>, entity: Readonly<EntityRecord>, signal?: AbortSignal, autoStart?: boolean): Promise<RuntimeParticle>;
export declare function applyParticleProperties(system: ParticleSystem, config: Partial<ParticleEntityProperties>): void;
export declare function createEmitter(config: Partial<ParticleEntityProperties>): IParticleEmitterType;
export declare function applyParticleGradients(system: ParticleSystem, gradients: ParticleEntityProperties["gradients"] | undefined): void;
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