smithers.logicpuzzles
Interfaces 
Puzzle
PuzzleGraphics
PuzzleSolver
PuzzleState
Classes 
AbstractPuzzleSolver
Hanjie
HanjieBuilder
HanjieGraphics
HanjieSolver
HanjieState
Mosaic
MosaicGraphics
MosaicMaker
MosaicSolver
MosaicState
PuzzleComponent
Slitherlink
SlitherlinkGraphics
SlitherlinkSolver
SlitherlinkState
Exceptions 
ImmutablePuzzleException
PuzzleFormatException