// Act
        assertTrue(itr.hasNext());
        SmbResource r = itr.next();

        // Assert: filter was invoked twice and we got the accepted one
        ArgumentCaptor<SmbResource> captor = ArgumentCaptor.forClass(SmbResource.class);
        verify(filter, times(2)).accept(captor.capture());
        assertNotNull(r);

            // Validate key length matches expected cipher requirements
            if (keyCopy.length != keyLength) {
                throw new IllegalArgumentException("Key length mismatch: expected " + keyLength + ", got " + keyCopy.length);
            }

            // Create cipher with the copy - algorithm is just "AES" for SecretKeySpec
            final SecretKeySpec keySpec = new SecretKeySpec(keyCopy, "AES");

   */
  void writeTo(ByteBuffer buffer) {
    checkNotNull(buffer);
    checkArgument(
        buffer.remaining() >= BYTES,
        "Expected at least Stats.BYTES = %s remaining , got %s",
        BYTES,
        buffer.remaining());
    buffer
        .putLong(count)
        .putDouble(mean)
        .putDouble(sumOfSquaresOfDeltas)
        .putDouble(min)
        .putDouble(max);
  }

  }

  private ExecutionException getExpectingExecutionException(AbstractFuture<String> future)
      throws InterruptedException {
    try {
      String got = future.get();
      throw new AssertionError("Expected exception but got " + got);
    } catch (ExecutionException e) {
      return e;
    }
  }

  private static final class WaiterThread extends Thread {

    assertFailsWith<ProtocolException> {
      clientReader.processNextFrame()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Expected continuation opcode. Got: 2")
    }
  }

  @Test fun emptyPingCallsCallback() {
    data.write("8900".decodeHex()) // Empty ping
    clientReader.processNextFrame()
    callback.assertPing(EMPTY)
  }

   */
  private void checkIsE(Object element) {
    checkNotNull(element);
    if (!isActuallyE(element)) {
      throw new ClassCastException("Expected an " + type + " but got " + element);
    }
  }

  @Override
  int distinctElements() {
    return distinctElements;
  }

  @Override
  public int size() {
    return Ints.saturatedCast(size);
  }

    int newValueIndex = findEntryByValue(newValue, newValueHash);
    if (newValueIndex != ABSENT) {
      if (force) {
        removeEntryValueHashKnown(newValueIndex, newValueHash);
        if (entry == size) { // this entry got moved to newValueIndex
          entry = newValueIndex;
        }
      } else {
        throw new IllegalArgumentException("Value already present in map: " + newValue);
      }
    }

      connectSocket()
      success = true
      return ConnectResult(plan = this)
    } catch (e: IOException) {
      // If we used the ProxySelector, and got a IOException during connect, report the failure.
      if (route.address.proxy == null && route.proxy.type() != Proxy.Type.DIRECT) {
        route.address.proxySelector.connectFailed(
          route.address.url.toUri(),

                new ByteArrayInputStream(new byte[0]));

        // Act - Trigger handshake
        int responseCode = ntlmConnection.getResponseCode();

        // Assert - Verify we got the 401 response (simplified test)
        assertEquals(HTTP_UNAUTHORIZED, responseCode);

        // In a real scenario, the connection would reconnect and send Type1/Type3 messages

        } catch (final Throwable t) {
            if (!expectedType.isInstance(t)) {
                throw new AssertionError("Expected " + expectedType.getSimpleName() + " but got " + t.getClass().getSimpleName(), t);
            }
        }
    }