/usr/include/regina-normal/enumerate/ is in regina-normal-dev 5.1-2build1.
This file is owned by root:root, with mode 0o755.
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/usr/include/regina-normal/enumerate/doubledescription-impl.h
/usr/include/regina-normal/enumerate/doubledescription.h
/usr/include/regina-normal/enumerate/enumconstraints.h
/usr/include/regina-normal/enumerate/hilbertcd-impl.h
/usr/include/regina-normal/enumerate/hilbertcd.h
/usr/include/regina-normal/enumerate/hilbertdual-impl.h
/usr/include/regina-normal/enumerate/hilbertdual.h
/usr/include/regina-normal/enumerate/hilbertprimal-impl.h
/usr/include/regina-normal/enumerate/hilbertprimal.h
/usr/include/regina-normal/enumerate/maxadmissible-impl.h
/usr/include/regina-normal/enumerate/maxadmissible.h
/usr/include/regina-normal/enumerate/ndoubledescription-impl.h
/usr/include/regina-normal/enumerate/ndoubledescription.h
/usr/include/regina-normal/enumerate/nenumconstraint.h
/usr/include/regina-normal/enumerate/nhilbertcd-impl.h
/usr/include/regina-normal/enumerate/nhilbertcd.h
/usr/include/regina-normal/enumerate/nhilbertdual-impl.h
/usr/include/regina-normal/enumerate/nhilbertdual.h
/usr/include/regina-normal/enumerate/nhilbertprimal-impl.h
/usr/include/regina-normal/enumerate/nhilbertprimal.h
/usr/include/regina-normal/enumerate/nmaxadmissible-impl.h
/usr/include/regina-normal/enumerate/nmaxadmissible.h
/usr/include/regina-normal/enumerate/ntreeconstraint.h
/usr/include/regina-normal/enumerate/ntreelp-impl.h
/usr/include/regina-normal/enumerate/ntreelp.h
/usr/include/regina-normal/enumerate/ntreetraversal-impl.h
/usr/include/regina-normal/enumerate/ntreetraversal.h
/usr/include/regina-normal/enumerate/ntypetrie.h
/usr/include/regina-normal/enumerate/ordering.h
/usr/include/regina-normal/enumerate/treeconstraint.h
/usr/include/regina-normal/enumerate/treelp-impl.h
/usr/include/regina-normal/enumerate/treelp.h
/usr/include/regina-normal/enumerate/treetraversal-impl.h
/usr/include/regina-normal/enumerate/treetraversal.h
/usr/include/regina-normal/enumerate/typetrie.h