@SuppressWarnings("unlikely-arg-type")
	@Test
	public void testAsMapSubGet() {
		populateStore(-3, -1, 1, 3);
		DBCachedObjectStoreSubMap<MyObject> subMap = map.subMap(-2L, true, 2L, true);

		assertNull(subMap.get(null));
		assertNull(subMap.get("Wrong type"));
		assertNull(subMap.get(-3L));
		assertNotNull(subMap.get(1L));
	}
This exists to verify behavior in {@link #testAsValuesSubIterator()}
Ghidra/Debug/ProposedUtils/src/test/java/ghidra/util/database/DBCachedObjectStoreTest.java