This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12]

kgraph::KGraph::IndexInfo	Information and statistics of the indexing algorithm
kgraph::IndexOracle	Index oracle
DummyIndexOracle
kgraph::MatrixOracle< DATA_TYPE, DIST_TYPE >	Oracle for Matrix or MatrixProxy
kgraph::KGraph::IndexParams	Indexing parameters
kgraph::KGraph	The KGraph index
kgraph::metric::l2
kgraph::metric::l2sqr	L2 square distance
kgraph::Matrix< T, A >	Matrix data
kgraph::MatrixProxy< DATA_TYPE, A >	Matrix proxy to interface with 3rd party libraries (FLANN, OpenCV, NumPy)
kgraph::MatrixProxy< DATA_TYPE >
kgraph::KGraph::SearchInfo	Information and statistics of the search algorithm
kgraph::SearchOracle	Search oracle
kgraph::MatrixOracle< DATA_TYPE, DIST_TYPE >::SearchOracle
kgraph::KGraph::SearchParams	Search parameters