/usr/include/boost/icl/detail/ is in libboost1.49-dev 1.49.0-3.2.
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/usr/include/boost/icl/detail/associated_value.hpp
/usr/include/boost/icl/detail/boost_config.hpp
/usr/include/boost/icl/detail/concept_check.hpp
/usr/include/boost/icl/detail/design_config.hpp
/usr/include/boost/icl/detail/element_comparer.hpp
/usr/include/boost/icl/detail/element_iterator.hpp
/usr/include/boost/icl/detail/exclusive_less_than.hpp
/usr/include/boost/icl/detail/interval_map_algo.hpp
/usr/include/boost/icl/detail/interval_morphism.hpp
/usr/include/boost/icl/detail/interval_set_algo.hpp
/usr/include/boost/icl/detail/interval_subset_comparer.hpp
/usr/include/boost/icl/detail/map_algo.hpp
/usr/include/boost/icl/detail/mapped_reference.hpp
/usr/include/boost/icl/detail/notate.hpp
/usr/include/boost/icl/detail/on_absorbtion.hpp
/usr/include/boost/icl/detail/relation_state.hpp
/usr/include/boost/icl/detail/set_algo.hpp
/usr/include/boost/icl/detail/std_set.hpp
/usr/include/boost/icl/detail/subset_comparer.hpp