assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

        assertNotNull("test");
        assertEquals(1, 1);
    }

    // Test placeholder for future implementation
    public void test_placeholder() {
        // This test verifies the test class can be instantiated and run
        String testValue = "test";
        assertNotNull(testValue);
        assertEquals("test", testValue);
    }

    // Additional test for coverage

  SIP_HASH24(Hashing.sipHash24()),
  FARMHASH_FINGERPRINT_64(Hashing.farmHashFingerprint64()),

  // Hash functions found in //javatests for comparing against current implementation of CityHash.
  // These can probably be removed sooner or later.
  ;

  private final HashFunction hashFunction;

  HashFunctionEnum(HashFunction hashFunction) {
    this.hashFunction = hashFunction;
  }

  HashFunction getHashFunction() {

 *
 * <p>We have more thorough testing of {@code AtomicHelper} implementations in {@link
 * AbstractFutureFallbackAtomicHelperTest}. The advantage to this test is that it can run under
 * Android.
 */
@NullUnmarked
public class AbstractFutureDefaultAtomicHelperTest extends TestCase {
  public void testUsingExpectedAtomicHelper() throws Exception {
    if (isAndroid()) {