export declare const SCNParticleOrientationMode: {
    readonly BillboardScreenAligned: 0;
    readonly BillboardViewAligned: 1;
    readonly Free: 2;
    readonly BillboardYAligned: 3;
};
export type SCNParticleOrientationMode = typeof SCNParticleOrientationMode[keyof typeof SCNParticleOrientationMode];
