open_toontown_panda3d/dtool/src/parser-inc/Core.h

// SpeedTree.

namespace SpeedTree {
  class CCore;
  class CInstance;
  class SGeometry;
  class CView;
  class Vec3;

  class CTerrainRender;
  class SVertexAttribDesc;  // actuall in ForestRI.h
  class STerrainCullResults;
};