/usr/include/boost/iostreams/detail/ is in libboost1.62-dev 1.62.0+dfsg-5.
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/usr/include/boost/iostreams/detail/absolute_path.hpp
/usr/include/boost/iostreams/detail/access_control.hpp
/usr/include/boost/iostreams/detail/adapter/
/usr/include/boost/iostreams/detail/adapter/concept_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/device_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/direct_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/filter_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/mode_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/non_blocking_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/output_iterator_adapter.hpp
/usr/include/boost/iostreams/detail/adapter/range_adapter.hpp
/usr/include/boost/iostreams/detail/add_facet.hpp
/usr/include/boost/iostreams/detail/bool_trait_def.hpp
/usr/include/boost/iostreams/detail/broken_overload_resolution/
/usr/include/boost/iostreams/detail/broken_overload_resolution/forward.hpp
/usr/include/boost/iostreams/detail/broken_overload_resolution/stream.hpp
/usr/include/boost/iostreams/detail/broken_overload_resolution/stream_buffer.hpp
/usr/include/boost/iostreams/detail/buffer.hpp
/usr/include/boost/iostreams/detail/call_traits.hpp
/usr/include/boost/iostreams/detail/char_traits.hpp
/usr/include/boost/iostreams/detail/codecvt_helper.hpp
/usr/include/boost/iostreams/detail/codecvt_holder.hpp
/usr/include/boost/iostreams/detail/config/
/usr/include/boost/iostreams/detail/config/auto_link.hpp
/usr/include/boost/iostreams/detail/config/bzip2.hpp
/usr/include/boost/iostreams/detail/config/codecvt.hpp
/usr/include/boost/iostreams/detail/config/disable_warnings.hpp
/usr/include/boost/iostreams/detail/config/dyn_link.hpp
/usr/include/boost/iostreams/detail/config/enable_warnings.hpp
/usr/include/boost/iostreams/detail/config/fpos.hpp
/usr/include/boost/iostreams/detail/config/gcc.hpp
/usr/include/boost/iostreams/detail/config/limits.hpp
/usr/include/boost/iostreams/detail/config/overload_resolution.hpp
/usr/include/boost/iostreams/detail/config/rtl.hpp
/usr/include/boost/iostreams/detail/config/unreachable_return.hpp
/usr/include/boost/iostreams/detail/config/wide_streams.hpp
/usr/include/boost/iostreams/detail/config/windows_posix.hpp
/usr/include/boost/iostreams/detail/config/zlib.hpp
/usr/include/boost/iostreams/detail/counted_array.hpp
/usr/include/boost/iostreams/detail/current_directory.hpp
/usr/include/boost/iostreams/detail/default_arg.hpp
/usr/include/boost/iostreams/detail/dispatch.hpp
/usr/include/boost/iostreams/detail/double_object.hpp
/usr/include/boost/iostreams/detail/enable_if_stream.hpp
/usr/include/boost/iostreams/detail/error.hpp
/usr/include/boost/iostreams/detail/execute.hpp
/usr/include/boost/iostreams/detail/file_handle.hpp
/usr/include/boost/iostreams/detail/forward.hpp
/usr/include/boost/iostreams/detail/fstream.hpp
/usr/include/boost/iostreams/detail/functional.hpp
/usr/include/boost/iostreams/detail/ios.hpp
/usr/include/boost/iostreams/detail/iostream.hpp
/usr/include/boost/iostreams/detail/is_dereferenceable.hpp
/usr/include/boost/iostreams/detail/is_iterator_range.hpp
/usr/include/boost/iostreams/detail/newline.hpp
/usr/include/boost/iostreams/detail/optional.hpp
/usr/include/boost/iostreams/detail/param_type.hpp
/usr/include/boost/iostreams/detail/path.hpp
/usr/include/boost/iostreams/detail/push.hpp
/usr/include/boost/iostreams/detail/push_params.hpp
/usr/include/boost/iostreams/detail/resolve.hpp
/usr/include/boost/iostreams/detail/restrict_impl.hpp
/usr/include/boost/iostreams/detail/select.hpp
/usr/include/boost/iostreams/detail/select_by_size.hpp
/usr/include/boost/iostreams/detail/streambuf/
/usr/include/boost/iostreams/detail/streambuf.hpp
/usr/include/boost/iostreams/detail/streambuf/chainbuf.hpp
/usr/include/boost/iostreams/detail/streambuf/direct_streambuf.hpp
/usr/include/boost/iostreams/detail/streambuf/indirect_streambuf.hpp
/usr/include/boost/iostreams/detail/streambuf/linked_streambuf.hpp
/usr/include/boost/iostreams/detail/system_failure.hpp
/usr/include/boost/iostreams/detail/template_params.hpp
/usr/include/boost/iostreams/detail/translate_int_type.hpp
/usr/include/boost/iostreams/detail/wrap_unwrap.hpp