/usr/include/ASL/acl/DataTypes/ is in libasl-dev 0.1.7-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/ASL/acl/DataTypes/aclArray.h
/usr/include/ASL/acl/DataTypes/aclConstant.h
/usr/include/ASL/acl/DataTypes/aclGroupID.h
/usr/include/ASL/acl/DataTypes/aclIndex.h
/usr/include/ASL/acl/DataTypes/aclIndexExt.h
/usr/include/ASL/acl/DataTypes/aclLocalArray.h
/usr/include/ASL/acl/DataTypes/aclMemBlock.h
/usr/include/ASL/acl/DataTypes/aclPrivateArray.h
/usr/include/ASL/acl/DataTypes/aclPrivateVariable.h
/usr/include/ASL/acl/DataTypes/aclSubvector.h
/usr/include/ASL/acl/DataTypes/aclVariable.h
/usr/include/ASL/acl/DataTypes/aclVariableReference.h
/usr/include/ASL/acl/DataTypes/aclVariableSP.h