/// \defgroup MiscellanyRef Profiling Tools, Hash Map, Union-find, Modifiers Reference
/// \defgroup MiscellanyConcepts Concepts
/// \ingroup MiscellanyRef
/*!
\addtogroup MiscellanyRef
\cgalPkgDescriptionBegin{Profiling tools\, Hash Map\, Union-find\, Modifiers,Miscellany}
\cgalPkgPicture{stopwatch.png}
\cgalPkgSummaryBegin
\cgalPkgAuthors{Lutz Kettner, Sylvain Pion, and Michael Seel}
\cgalPkgDesc{This package provides classes for profiling time and memory consumption, profiling macros,  a hash map, a union find data structure and a modifier.}
\cgalPkgManuals{Chapter_Profiling_Tools_Hash_Map_Union-find_Modifiers,MiscellanyRef}
\cgalPkgSummaryEnd
\cgalPkgShortInfoBegin
\cgalPkgSince{3.2}
\cgalPkgBib{cgal:kps-pthum}
\cgalPkgLicense{\ref licensesLGPL  "LGPL"}
\cgalPkgShortInfoEnd
\cgalPkgDescriptionEnd

\cgalClassifedRefPages

\cgalCRPSection{Concepts}
- `UniqueHashFunction`

\cgalCRPSection{Classes}
- `CGAL::Timer`
- `CGAL::Real_timer`
- `CGAL::Memory_sizer`
- `CGAL::Profile_counter`

- `CGAL::Unique_hash_map<Key,Data,UniqueHashFunction>`
- `CGAL::Handle_hash_function`

- `CGAL::Union_find<T,A>`

- `CGAL::Modifier_base<R>`

*/

