/usr/include/shogun/lib/tapkee/ is in libshogun-dev 3.2.0-7.5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/shogun/lib/tapkee/callbacks/
/usr/include/shogun/lib/tapkee/callbacks/dummy_callbacks.hpp
/usr/include/shogun/lib/tapkee/callbacks/eigen_callbacks.hpp
/usr/include/shogun/lib/tapkee/callbacks/neighbor_callbacks.hpp
/usr/include/shogun/lib/tapkee/callbacks/pimpl_callbacks.hpp
/usr/include/shogun/lib/tapkee/callbacks/precomputed_callbacks.hpp
/usr/include/shogun/lib/tapkee/chain_interface.hpp
/usr/include/shogun/lib/tapkee/defines/
/usr/include/shogun/lib/tapkee/defines.hpp
/usr/include/shogun/lib/tapkee/defines/eigen3.hpp
/usr/include/shogun/lib/tapkee/defines/keywords.hpp
/usr/include/shogun/lib/tapkee/defines/methods.hpp
/usr/include/shogun/lib/tapkee/defines/random.hpp
/usr/include/shogun/lib/tapkee/defines/stdtypes.hpp
/usr/include/shogun/lib/tapkee/defines/synonyms.hpp
/usr/include/shogun/lib/tapkee/defines/types.hpp
/usr/include/shogun/lib/tapkee/embed.hpp
/usr/include/shogun/lib/tapkee/exceptions.hpp
/usr/include/shogun/lib/tapkee/external/
/usr/include/shogun/lib/tapkee/external/barnes_hut_sne/
/usr/include/shogun/lib/tapkee/external/barnes_hut_sne/quadtree.hpp
/usr/include/shogun/lib/tapkee/external/barnes_hut_sne/tsne.hpp
/usr/include/shogun/lib/tapkee/external/barnes_hut_sne/vptree.hpp
/usr/include/shogun/lib/tapkee/methods.hpp
/usr/include/shogun/lib/tapkee/neighbors/
/usr/include/shogun/lib/tapkee/neighbors/connected.hpp
/usr/include/shogun/lib/tapkee/neighbors/covertree.hpp
/usr/include/shogun/lib/tapkee/neighbors/covertree_point.hpp
/usr/include/shogun/lib/tapkee/neighbors/neighbors.hpp
/usr/include/shogun/lib/tapkee/neighbors/vptree.hpp
/usr/include/shogun/lib/tapkee/parameters/
/usr/include/shogun/lib/tapkee/parameters/context.hpp
/usr/include/shogun/lib/tapkee/parameters/defaults.hpp
/usr/include/shogun/lib/tapkee/parameters/parameters.hpp
/usr/include/shogun/lib/tapkee/parameters/policy.hpp
/usr/include/shogun/lib/tapkee/parameters/value_keeper.hpp
/usr/include/shogun/lib/tapkee/projection.hpp
/usr/include/shogun/lib/tapkee/routines/
/usr/include/shogun/lib/tapkee/routines/diffusion_maps.hpp
/usr/include/shogun/lib/tapkee/routines/eigendecomposition.hpp
/usr/include/shogun/lib/tapkee/routines/fa.hpp
/usr/include/shogun/lib/tapkee/routines/generalized_eigendecomposition.hpp
/usr/include/shogun/lib/tapkee/routines/isomap.hpp
/usr/include/shogun/lib/tapkee/routines/laplacian_eigenmaps.hpp
/usr/include/shogun/lib/tapkee/routines/locally_linear.hpp
/usr/include/shogun/lib/tapkee/routines/manifold_sculpting.hpp
/usr/include/shogun/lib/tapkee/routines/matrix_operations.hpp
/usr/include/shogun/lib/tapkee/routines/multidimensional_scaling.hpp
/usr/include/shogun/lib/tapkee/routines/pca.hpp
/usr/include/shogun/lib/tapkee/routines/random_projection.hpp
/usr/include/shogun/lib/tapkee/routines/spe.hpp
/usr/include/shogun/lib/tapkee/tapkee.hpp
/usr/include/shogun/lib/tapkee/tapkee_shogun.hpp
/usr/include/shogun/lib/tapkee/traits/
/usr/include/shogun/lib/tapkee/traits/callbacks_traits.hpp
/usr/include/shogun/lib/tapkee/traits/methods_traits.hpp
/usr/include/shogun/lib/tapkee/utils/
/usr/include/shogun/lib/tapkee/utils/arpack_wrapper.hpp
/usr/include/shogun/lib/tapkee/utils/conditional_select.hpp
/usr/include/shogun/lib/tapkee/utils/features.hpp
/usr/include/shogun/lib/tapkee/utils/fibonacci_heap.hpp
/usr/include/shogun/lib/tapkee/utils/logging.hpp
/usr/include/shogun/lib/tapkee/utils/matrix.hpp
/usr/include/shogun/lib/tapkee/utils/naming.hpp
/usr/include/shogun/lib/tapkee/utils/reservable_priority_queue.hpp
/usr/include/shogun/lib/tapkee/utils/sparse.hpp
/usr/include/shogun/lib/tapkee/utils/time.hpp