100644 blob fd88eebf81baa324e64122383592ec6caafc8832	HasDataSpecification.h
100644 blob 87ecc5db8cf17b892757793626cbb137fad87248	Identifiable.h
100644 blob f8e74e14a65f5a5761d1626c9045d77960787519	Qualifiable.h
100644 blob 9ca929538be017ca92885782d6ae8cde609e3c8f	Referable.h