@SuppressWarnings("unlikely-arg-type")
	@Test
	public void testAsValuesSubContains() {
		populateStore(-3, -1, 1, 3);

		DBCachedObjectStoreValueSubCollection<MyObject> headValues = map.headMap(0L, true).values();
		assertFalse(headValues.contains(null));
		assertFalse(headValues.contains("Wrong type"));
		MyObject objN3 = store.getObjectAt(-3);
		MyObject objP3 = store.getObjectAt(3);
		assertTrue(headValues.contains(objN3));
		assertFalse(headValues.contains(objP3));
	}
This exists to verify behavior in {@link #testAsValuesSubIterator()}
Ghidra/Debug/ProposedUtils/src/test/java/ghidra/util/database/DBCachedObjectStoreTest.java