// Exceptions
    // ------------------------------------------------------------------------

    public boolean hasExceptions() {
        return exceptions != null && !exceptions.isEmpty();
    }

    public List<Exception> getExceptions() {
        return exceptions == null ? Collections.emptyList() : Collections.unmodifiableList(exceptions);
    }

    // Exceptions
    // ------------------------------------------------------------------------

    public boolean hasExceptions() {
        return exceptions != null && !exceptions.isEmpty();
    }

    public List<Exception> getExceptions() {
        return exceptions == null ? Collections.emptyList() : Collections.unmodifiableList(exceptions);
    }

        exceptions = deleteDirectoryContentsInsecure(stream);
      }
    } catch (IOException e) {
      if (exceptions == null) {
        throw e;
      } else {
        exceptions.add(e);
      }
    }

    if (exceptions != null) {
      throwDeleteFailed(path, exceptions);
    }
  }

  /**
   * Secure recursive delete using {@code SecureDirectoryStream}. Returns a collection of exceptions

        assertTrue(endLatch.await(30, TimeUnit.SECONDS), "All threads should complete within timeout");
        executor.shutdown();

        // Then - Verify no exceptions occurred
        if (!exceptions.isEmpty()) {
            fail("Concurrent operations caused exceptions: " + exceptions.get(0));
        }

        assertEquals(threadCount * opsPerThread, successCount.get(), "All operations should succeed");
    }

    /**

            thread.join();
        }

        // Verify no exceptions occurred
        for (int i = 0; i < threadCount; i++) {
            assertNull(exceptions[i], "Thread " + i + " threw exception");
        }

        // Verify all URLs were added
        synchronized (mockCallback) {
            assertEquals("All URLs should be added", threadCount * urlsPerThread, callback.deleteUrlList.size());

        final Exception[] exceptions = new Exception[threadCount];

        for (int i = 0; i < threadCount; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {
                try {
                    dataStore.stop();
                } catch (Exception e) {
                    exceptions[index] = e;
                }
            });
        }

      // the operation would be a no-op, so exceptions are allowed but not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceEntry_unsupportedAbsentKey() {
    try {
      getMap().replace(k3(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {
      // the operation would be a no-op, so exceptions are allowed but not required
    }

      // the operation would be a no-op, so exceptions are allowed but not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceEntry_unsupportedAbsentKey() {
    try {
      getMap().replace(k3(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {
      // the operation would be a no-op, so exceptions are allowed but not required
    }

    }
    return Collections.unmodifiableList(causes);
  }

  /**
   * Returns {@code throwable}'s cause, cast to {@code expectedCauseType}.
   *
   * <p>Prefer this method instead of manually casting an exception's cause. For example, {@code
   * (IOException) e.getCause()} throws a {@link ClassCastException} that discards the original
   * exception {@code e} if the cause is not an {@link IOException}, but {@code

    public void close() throws Exception {
        ArrayList<Exception> exceptions = new ArrayList<>();
        for (CommandRegistry commandRegistry : commandRegistries) {
            if (commandRegistry instanceof AutoCloseable closeable) {
                try {
                    closeable.close();
                } catch (Exception e) {
                    exceptions.add(e);
                }
            }
        }