@Test
	public void testFoundSize() throws IOException {
		DBCachedObjectIndex<Integer, MyObject> index = populateAndGetIndex();

		Collection<MyObject> found5 = index.get(5);
		assertEquals(2, found5.size());
		assertFalse(found5.isEmpty());

		Collection<MyObject> found6 = index.get(6);
		assertEquals(0, found6.size());
		assertTrue(found6.isEmpty());
	}
This exists to verify behavior in {@link #testAsValuesSubIterator()}
Ghidra/Debug/ProposedUtils/src/test/java/ghidra/util/database/DBCachedObjectStoreTest.java