/usr/include/sbml/packages/comp/validator/constraints/ is in libsbml5-dev 5.13.0+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/sbml/packages/comp/validator/constraints/ClassReplacements.h
/usr/include/sbml/packages/comp/validator/constraints/CompIdBase.h
/usr/include/sbml/packages/comp/validator/constraints/ExtModelReferenceCycles.h
/usr/include/sbml/packages/comp/validator/constraints/PackageIdReplacementCheck.h
/usr/include/sbml/packages/comp/validator/constraints/SubmodelReferenceCycles.h
/usr/include/sbml/packages/comp/validator/constraints/UniqueCompIdBase.h
/usr/include/sbml/packages/comp/validator/constraints/UniqueComponentIds.h
/usr/include/sbml/packages/comp/validator/constraints/UniqueModelIds.h
/usr/include/sbml/packages/comp/validator/constraints/UniquePortIds.h
/usr/include/sbml/packages/comp/validator/constraints/UniquePortReferences.h
/usr/include/sbml/packages/comp/validator/constraints/UniqueReplacedReferences.h
/usr/include/sbml/packages/comp/validator/constraints/UnitReplacementCheck.h