import { b2ParticleSystem, b2ParticleSystemDef } from "../particle/b2_particle_system";
declare module "@box2d/core" {
    interface b2World {
        m_particleSystemList: b2ParticleSystem | null;
        CreateParticleSystem(def: b2ParticleSystemDef): b2ParticleSystem;
        DestroyParticleSystem(p: b2ParticleSystem): void;
        GetParticleSystemList(): b2ParticleSystem | null;
        CalculateReasonableParticleIterations(timeStep: number): number;
    }
}
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