bb.putShort((short) 0); // tflags
            bb.putShort((short) 0); // tflags high bytes

            // Invalid referral version
            bb.putShort((short) 99); // unsupported version

            // Should throw exception for unsupported version
            assertThrows(Exception.class, () -> {
                buffer.decode(testBuffer, 0, testBuffer.length);
            });
        }
    }

    @Nested

    assertThrows(NullPointerException.class, () -> getList().addAll(0, containsNull));
    expectUnchanged();
    expectNullMissingWhenNullUnsupported(
        "Should not contain null after unsupported addAll(n, containsNull)");
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = {ZERO, ONE})
  public void testAddAllAtIndex_middle() {
    assertTrue(

            assertTrue(ctx.isMICAvailable(), "MIC available when established + integrity");

            assertTrue(ctx.isSupported(mech1), "mech1 supported");
            assertTrue(ctx.isPreferredMech(mech1), "first supported is preferred");
            assertArrayEquals(new ASN1ObjectIdentifier[] { mech1, mech2 }, ctx.getSupportedMechs(), "supported mechs");

    assertThrows(NullPointerException.class, () -> collection.addAll(containsNull));
    expectUnchanged();
    expectNullMissingWhenNullUnsupported(
        "Should not contain null after unsupported addAll(containsNull)");
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_nullCollectionReference() {
    assertThrows(NullPointerException.class, () -> collection.addAll(null));
  }

	// Validate format version and format type.
	if formatErasure.Version != formatMetaVersionV1 {
		return fmt.Errorf("Unsupported version of backend format [%s] found on %s", formatErasure.Version, disk)
	}
	if formatErasure.Format != formatBackendErasure && formatErasure.Format != formatBackendErasureSingle {
		return fmt.Errorf("Unsupported backend format [%s] found on %s", formatErasure.Format, disk)
	}

            this.document = document;
            this.listener = listener;
        }

        @Override
        public boolean onJavadocTag(String tag, String value) {
            listener.warning(String.format("Unsupported Javadoc tag '%s'", tag));
            Element element = document.createElement("UNHANDLED-TAG");
            element.appendChild(document.createTextNode(String.format("{@%s %s}", tag, value)));

        case CIPHER_AES_256_CCM, CIPHER_AES_256_GCM -> 32; // AES-256 ciphers use 32-byte keys
        default -> throw new IllegalArgumentException("Unsupported cipher: " + this.cipherId);
        };
    }

    private int getAuthTagLength() {
        return 16; // All SMB3 ciphers use 16-byte authentication tags
    }

    private int getTransformFlags() {

  public void testAddAtIndex_nullUnsupported() {
    assertThrows(NullPointerException.class, () -> getList().add(0, null));
    expectUnchanged();
    expectNullMissingWhenNullUnsupported("Should not contain null after unsupported add(n, null)");
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_negative() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().add(-1, e3()));

        }

        @Override
        public int getStartPosition() {
            throw new UnsupportedOperationException("getStartPosition() is not supported in this implementation");
        }

        @Override
        public int getOffset() {
            throw new UnsupportedOperationException("getOffset() is not supported in this implementation");

			pbzip2.BZConcurrency((runtime.GOMAXPROCS(0)+1)/2),
			pbzip2.BZConcurrencyPool(bz2Limiter)))
	case formatLZ4:
		r = lz4.NewReader(bf)
	case formatUnknown:
		r = bf
	default:
		return fmt.Errorf("Unsupported format %s", f)
	}
	tarReader := tar.NewReader(r)
	n := 0
	asyncWriters := make(chan struct{}, 16)
	var wg sync.WaitGroup

	var asyncErr error
	var asyncErrMu sync.Mutex
	for {