export class ParticleCPUUpdater {
    constructor(emitter: any);
    _emitter: any;
    calcSpawnPosition(particleTex: any, spawnMatrix: any, extentsInnerRatioUniform: any, emitterPos: any, i: any): void;
    update(data: any, vbToSort: any, particleTex: any, spawnMatrix: any, extentsInnerRatioUniform: any, emitterPos: any, delta: any, isOnStop: any): void;
}