static <T extends @Nullable Object> T[] copy(Object[] source, int from, int to, T[] arrayOfType) {
    T[] result = newArray(arrayOfType, to - from);
    System.arraycopy(source, from, result, 0, to - from);
    return result;
  }

  // TODO(user): Move this logic to a utility class.
  @JsType(isNative = true, name = "Array", namespace = JsPackage.GLOBAL)

        assertEquals(8, NtlmMessage.readULong(dest, 4), "Offset must point to payload start");
        byte[] actualPayload = new byte[payload.length];
        System.arraycopy(dest, 8, actualPayload, 0, payload.length);
        assertArrayEquals(payload, actualPayload, "Payload copy must match");
    }

    @Test
    @DisplayName("getOEMEncoding returns configured OEM encoding")

   *
   * - https://github.com/jspecify/jdk/commit/71d826792b8c7ef95d492c50a274deab938f2552
   */
  /*
   * TODO(cpovirk): Is the unchecked cast avoidable? Would System.arraycopy be similarly fast (if
   * likewise not type-checked)? Could our single caller do something different?
   */
  @SuppressWarnings({"nullness", "unchecked"})

        dstIndex += 8;
        SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, offsetOffset);

        dstIndex += pad8(dstIndex);

        if (this.token != null) {
            System.arraycopy(this.token, 0, dst, dstIndex, this.token.length);
            dstIndex += this.token.length;
        }

        return dstIndex - start;
    }

    /**
     * {@inheritDoc}
     *

    }

    @Test
    @DisplayName("Test decode operation")
    void testDecode() {
        byte[] buffer = new byte[1024];
        // Fill with basic SMB header structure
        System.arraycopy(new byte[] { (byte) 0xFF, 'S', 'M', 'B' }, 0, buffer, 0, 4);
        buffer[4] = 1; // wordCount
        buffer[7] = 0; // byteCount low
        buffer[8] = 0; // byteCount high

        final String[] roles = new String[roles1.length + roles2.length];

        if (roles1.length > 0) {
            System.arraycopy(roles1, 0, roles, 0, roles1.length);
        }
        if (roles2.length > 0) {
            System.arraycopy(roles2, 0, roles, roles1.length, roles2.length);
        }

        final List<SuggestItem> items = new ArrayList<>(fields.length);
        try {

        void testConstructor_ByteArray_InvalidMessageType() {
            // Given
            byte[] invalidType = new byte[100];
            System.arraycopy(Type2Message.NTLMSSP_SIGNATURE, 0, invalidType, 0, Type2Message.NTLMSSP_SIGNATURE.length);
            // Set message type to something other than NTLMSSP_TYPE2

        dst[dstIndex] = (byte) 0x01; /* BufferFormat */
        dstIndex++;
        SMBUtil.writeInt2(this.count, dst, dstIndex); /* DataLength? */
        dstIndex += 2;
        System.arraycopy(this.b, this.off, dst, dstIndex, this.count);
        dstIndex += this.count;

        return dstIndex - start;
    }

    @Override

        SMBUtil.writeInt2(this.notifyFlags, dst, dstIndex + 2);
        dstIndex += 4;

        SMBUtil.writeInt4(this.outputBufferLength, dst, dstIndex);
        dstIndex += 4;

        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        SMBUtil.writeInt4(this.completionFilter, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4; // Reserved

                byte[] b = invocation.getArgument(0);
                int off = invocation.getArgument(1);
                int l = invocation.getArgument(2);
                System.arraycopy(expectedOutput, 0, b, off, l);
                return l;
            });

            HMACT64 hmac = new HMACT64(TEST_KEY);
            int bytesWritten = hmac.engineDigest(buffer, 0, expectedOutput.length);