*       <i>not</i> the same string ({@code "1.00"}) we started with
 * </ol>
 *
 * <p>Note that it should still be the case that the round-tripped and original objects are
 * <i>similar</i>.
 *
 * <h3>Nullability</h3>
 *
 * <p>A converter always converts {@code null} to {@code null} and non-null references to non-null
 * references. It would not make sense to consider {@code null} and a non-null reference to be

 *       <i>not</i> the same string ({@code "1.00"}) we started with
 * </ol>
 *
 * <p>Note that it should still be the case that the round-tripped and original objects are
 * <i>similar</i>.
 *
 * <h3>Nullability</h3>
 *
 * <p>A converter always converts {@code null} to {@code null} and non-null references to non-null
 * references. It would not make sense to consider {@code null} and a non-null reference to be

    assertFalse(secondary.wasInterrupted());
    fallback.verifyCallCount(1);
  }

  // test of a bogus implementation
  @SuppressWarnings({"AsyncFunctionReturnsNull", "nullness"})
  @J2ktIncompatible // Nullability
  public void testCatchingAsync_nullInsteadOfFuture() throws Exception {
    ListenableFuture<Integer> inputFuture = immediateFailedFuture(new Exception());
    ListenableFuture<?> chainedFuture =

    assertFalse(secondary.wasInterrupted());
    fallback.verifyCallCount(1);
  }

  // test of a bogus implementation
  @SuppressWarnings({"AsyncFunctionReturnsNull", "nullness"})
  @J2ktIncompatible // Nullability
  public void testCatchingAsync_nullInsteadOfFuture() throws Exception {
    ListenableFuture<Integer> inputFuture = immediateFailedFuture(new Exception());
    ListenableFuture<?> chainedFuture =

testing/architecture-test/src/changes/accepted-changes/accepted-public-api-changes.json
testing/architecture-test/src/changes/archunit-store/internal-api-nullability.txt

# Core automation platform (core/configuration)
platforms/core-configuration/               @gradle/bt-cortex
testing/smoke-ide-test/                     @gradle/bt-cortex

    `@ParametersAreNonnullByDefault` and all parameters and return types are
    never null unless explicitly annotated `@Nullable`.

 *  **Warning: this release is source-incompatible for Kotlin users.**
    Nullability was previously ambiguous and lenient but now the compiler will
    enforce strict null checks.

 *  New: The response message is now non-null. This is the "Not Found" in the