void UpdateClusterParticlePropertiesFromChildren ( [FPBDRigidClusteredParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidClusteredParticleHandle) * Cluster, const [FRigidHandleArray](API\Runtime\Chaos\Chaos\FRigidClustering\FRigidHandleArray) & Children, const [TMap](API\Runtime\Core\Containers\TMap)< [FPBDRigidParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidParticleHandle) *, [FPBDRigidParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidParticleHandle) * > & ChildToParentMap )