// Assert
        assertNull(ex.getCause(), "Null cause should be preserved");
        assertNotNull(ex.toString(), "toString should be safe to call");
    }

    @ParameterizedTest
    @NullAndEmptySource
    @ValueSource(strings = { "oops", "multi word", "中文" })
    @DisplayName("Message+Cause constructor: preserves both values; no interactions with cause")

        NegTokenInit parsed = new NegTokenInit(token);
        assertEquals(flags, parsed.getContextFlags(), "Context flags should parse from DER BIT STRING");
    }

    @Test
    @DisplayName("Sanity: toByteArray produces APPLICATION class wrapper and valid structure")
    void testToByteArrayStructureSanity() throws Exception {
        NegTokenInit init =

		case <-ctx.Done():
			return ctx.Err()
		default:
			tracker.bucketDone(bucket)
			healingLogIf(ctx, tracker.update(ctx))
		}
	}
	if retErr != nil {
		return retErr
	}

	// Last sanity check
	if len(tracker.QueuedBuckets) > 0 {
		return fmt.Errorf("not all buckets were healed: %v", tracker.QueuedBuckets)
	}

	return nil
}

func healBucket(bucket string, scan madmin.HealScanMode) error {

 * #weakValues} was specified, the map uses identity comparisons for values.
 *
 * <p>The view collections of the returned map have <i>weakly consistent iterators</i>. This means
 * that they are safe for concurrent use, but if other threads modify the map after the iterator is
 * created, it is undefined which of these changes, if any, are reflected in that iterator. These

        .build()
    val acceptedIssuers = handshakeCertificates.trustManager.acceptedIssuers
    val names =
      acceptedIssuers
        .map { it.subjectDN.name }
        .toSet()

    // It's safe to assume all platforms will have a major Internet certificate issuer.
    assertThat(names).matchesPredicate { strings ->
      strings.any { it.matches(Regex("[A-Z]+=Entrust.*")) }
    }
  }

@GwtCompatible
final class NullnessCasts {
  /**
   * Accepts a {@code @Nullable T} and returns a plain {@code T}, without performing any check that
   * that conversion is safe.
   *
   * <p>This method is intended to help with usages of type parameters that have {@linkplain
   * ParametricNullness parametric nullness}. If a type parameter instead ranges over only non-null

      // multiple times
      return target == that.target && method.equals(that.method);
    }
    return false;
  }

  /**
   * Checks whether {@code method} is thread-safe, as indicated by the presence of the {@link
   * AllowConcurrentEvents} annotation.
   */
  private static boolean isDeclaredThreadSafe(Method method) {
    return method.getAnnotation(AllowConcurrentEvents.class) != null;

  }

  private final class AsMapOfRanges extends IteratorBasedAbstractMap<Range<K>, V> {

    final Iterable<Entry<Range<K>, V>> entryIterable;

    @SuppressWarnings("unchecked") // it's safe to upcast iterables
    AsMapOfRanges(Iterable<RangeMapEntry<K, V>> entryIterable) {
      this.entryIterable = (Iterable) entryIterable;
    }

    @Override
    public boolean containsKey(@Nullable Object key) {

     */
    private byte[] createValidNegotiateResponseBuffer() {
        byte[] buffer = createBasicNegotiateResponseBuffer();

        // Add a small security buffer at a safe offset (after the fixed structure)
        SMBUtil.writeInt2(64, buffer, 56); // Security buffer offset (relative to header start)
        SMBUtil.writeInt2(8, buffer, 58); // Security buffer length

import okio.Buffer
import okio.BufferedSink
import okio.ByteString

/**
 * An [RFC 6455][rfc_6455]-compatible WebSocket frame writer.
 *
 * This class is not thread safe.
 *
 * [rfc_6455]: http://tools.ietf.org/html/rfc6455
 */
class WebSocketWriter(
  private val isClient: Boolean,
  val sink: BufferedSink,
  val random: Random,
  private val perMessageDeflate: Boolean,