/usr/include/osgParticle/ is in libopenscenegraph-dev 3.2.3+dfsg1-2+b4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/osgParticle/AccelOperator
/usr/include/osgParticle/AngularAccelOperator
/usr/include/osgParticle/AngularDampingOperator
/usr/include/osgParticle/BounceOperator
/usr/include/osgParticle/BoxPlacer
/usr/include/osgParticle/CenteredPlacer
/usr/include/osgParticle/CompositePlacer
/usr/include/osgParticle/ConnectedParticleSystem
/usr/include/osgParticle/ConstantRateCounter
/usr/include/osgParticle/Counter
/usr/include/osgParticle/DampingOperator
/usr/include/osgParticle/DomainOperator
/usr/include/osgParticle/Emitter
/usr/include/osgParticle/ExplosionDebrisEffect
/usr/include/osgParticle/ExplosionEffect
/usr/include/osgParticle/ExplosionOperator
/usr/include/osgParticle/Export
/usr/include/osgParticle/FireEffect
/usr/include/osgParticle/FluidFrictionOperator
/usr/include/osgParticle/FluidProgram
/usr/include/osgParticle/ForceOperator
/usr/include/osgParticle/Interpolator
/usr/include/osgParticle/LinearInterpolator
/usr/include/osgParticle/ModularEmitter
/usr/include/osgParticle/ModularProgram
/usr/include/osgParticle/MultiSegmentPlacer
/usr/include/osgParticle/Operator
/usr/include/osgParticle/OrbitOperator
/usr/include/osgParticle/Particle
/usr/include/osgParticle/ParticleEffect
/usr/include/osgParticle/ParticleProcessor
/usr/include/osgParticle/ParticleSystem
/usr/include/osgParticle/ParticleSystemUpdater
/usr/include/osgParticle/Placer
/usr/include/osgParticle/PointPlacer
/usr/include/osgParticle/PrecipitationEffect
/usr/include/osgParticle/Program
/usr/include/osgParticle/RadialShooter
/usr/include/osgParticle/RandomRateCounter
/usr/include/osgParticle/SectorPlacer
/usr/include/osgParticle/SegmentPlacer
/usr/include/osgParticle/Shooter
/usr/include/osgParticle/SinkOperator
/usr/include/osgParticle/SmokeEffect
/usr/include/osgParticle/SmokeTrailEffect
/usr/include/osgParticle/VariableRateCounter
/usr/include/osgParticle/Version
/usr/include/osgParticle/range