Here are the classes, structs, unions and interfaces with brief descriptions:

Animation
AnimationFrame
animFrame
animSpriteInfo
Bitmap
Box
Circle
Context3D
FrameSprite
genresAnimation
genresPal
genresSprites
genresTiles
Image
Line
Map
Mat2D_f16
Mat3D_f16
Mat4D_f16
Palette
Pixel
Rotation3D
Sprite
SpriteDef
SpriteDefinition
TCBloc	Tile cache bloc structure
TileCache	Tile cache information structure
TileSet
Transformation3D
Translation3D
Triangle
VDPPlan
VDPSprite
Vect2D_f16
Vect2D_s16
Vect2D_s32
Vect2D_u16
Vect2D_u32
Vect3D_f16
Vect4D_f16