} catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.remove(4);
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.addAll(singleton(4));
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }

          ExampleStackTrace path = new ExampleStackTrace(preAcquiredLock, this);
          path.setStackTrace(entry.getValue().getStackTrace());
          path.initCause(found);
          return path;
        }
      }
      return null;
    }
  }

  /**
   * CycleDetectingLock implementations must call this method before attempting to acquire the lock.
   */

        // Offset 4-5: FID (2 bytes)
        // Offset 6: Watch Tree (1 byte)
        // Offset 7: Reserved (1 byte)
        assertEquals(8, bytesWritten);

        // Check completion filter
        assertEquals(0x12345678, SMBUtil.readInt4(dst, 10));

        // Check FID
        assertEquals(0xABCD, SMBUtil.readInt2(dst, 14));

        // Check watch tree flag
        assertEquals(0x01, dst[16]);

          state = STATE_READ_RESPONSE_HEADERS
          responseBuilder
        }
        else -> {
          state = STATE_OPEN_RESPONSE_BODY
          responseBuilder
        }
      }
    } catch (e: EOFException) {
      // Provide more context if the server ends the stream before sending a response.
      val address =
        carrier.route.address.url
          .redact()

    }

    @Test
    @DisplayName("sendrecv SMB2 path issues IOCTL and returns response length")
    void testSendRecvSmb2() throws IOException, CIFSException {
        when(pipe.ensureTreeConnected()).thenReturn(tree);
        when(tree.acquire()).thenReturn(tree);

        // ensureOpen path
        when(tree.isSMB2()).thenReturn(true);

			logger.Fatal(fmt.Errorf("invalid TLS arguments provided missing private key --ftp=\"tls-private-key=path/to/private.key\""), "unable to start FTP server")
		}

		if tlsPrivateKey != "" && tlsPublicCert == "" {
			logger.Fatal(fmt.Errorf("invalid TLS arguments provided missing public cert --ftp=\"tls-public-cert=path/to/public.crt\""), "unable to start FTP server")
		}
		if port == 0 {

        if (level != -1) {
            LogStream.setLevel(level);
        }
        if (LogStream.level > 2) {
            try {
                Config.store(log, "JCIFS PROPERTIES");
            } catch (final IOException ioe) {}
        }
    }

    @Override
    public void destroy() {
    }

    /**
     * This method simply calls {@code negotiate( req, resp, false )}

        // Test getting non-existent property
        try {
            fessConfig.get("non.existent.property");
            fail("Should throw exception for non-existent property");
        } catch (ConfigPropertyNotFoundException e) {
            // Expected exception
            assertTrue(e.getMessage().contains("non.existent.property"));
        }
    }

    // Test system property without prefix

    void set(T instance, Object value) {
      try {
        field.set(instance, value);
      } catch (IllegalAccessException impossible) {
        throw new AssertionError(impossible);
      }
    }

    void set(T instance, int value) {
      try {
        field.set(instance, value);
      } catch (IllegalAccessException impossible) {
        throw new AssertionError(impossible);
      }
    }
  }

        chain.updateThrowsException = true;
        User user = createTestUser("testuser", "Test User");

        try {
            chain.update(user);
            fail("Expected exception to be thrown");
        } catch (RuntimeException e) {
            assertEquals("Update failed", e.getMessage());
        }

        assertEquals(1, chain.updateCalls.size());
    }

    // Test basic delete operation