bb10c463 TreeInformation: avoid `using namespace nlohmann`
eadc639a TreeInformation: sort via `const&` parameters
d880e014 TreeInformation: use the proper enum type for selection fields
57639029 TreeInformation: use the proper enum type for InputType

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Reviewed-by: Julien Fausty <julien.fausty@kitware.com>
Merge-request: !10001