forward declarations

Core/HardParticle/FormFactorFullSphere.cpp

Core/Material/MagneticMaterialImpl.cpp

Core/Material/Material.cpp

Core/Material/MaterialBySLDImpl.cpp

Core/Material/RefractiveMaterialImpl.cpp

Core/Material/WavevectorInfo.cpp

Core/Material/WavevectorInfo.h

Core/Multilayer/FormFactorBAPol.cpp

Core/Multilayer/FormFactorCoherentPart.cpp

Core/Multilayer/FormFactorDWBA.cpp

Core/Multilayer/FormFactorDWBAPol.cpp

Core/Multilayer/SlicedFormFactorList.cpp

Core/Multilayer/SpecularMagneticOldStrategy.cpp

Core/Particle/Crystal.cpp

Core/Particle/FormFactorCrystal.cpp

Core/Particle/IParticle.cpp

Core/Particle/IParticle.h

Core/Particle/MesoCrystal.cpp

Core/Particle/Particle.cpp

Core/Particle/ParticleComposition.cpp