throw (IOException) e.getCause();
            }
            throw new IOException("Connection failed", e);
        } catch (Exception e) {
            // Handle any other exceptions from circuit breaker
            throw new IOException("Connection failed", e);
        }
    }

    private void doConnectInternal() throws IOException {
        /*

        }

        // Test basic properties
        assertTrue(file.exists(), "File should exist");
        assertTrue(file.canRead(), "File should be readable");
        assertTrue(file.canWrite(), "File should be writable");
        assertEquals(content.length(), file.length(), "File length should match");

        // Test timestamps
        long lastModified = file.lastModified();

            if (facetResponse != null && facetResponse.hasFacetResponse()) {
                // facet field
                buf.append(',');
                buf.append("\"facet_field\":[");
                if (facetResponse.getFieldList() != null) {
                    boolean first1 = true;
                    for (final Field field : facetResponse.getFieldList()) {
                        if (!first1) {

            } else {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.firefox", "file://///"));
            }
            break;
        case CHROME:
            if (isLocalFile) {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.winlocal.chrome", "file://"));
            } else {

            }
            return URI.create(url);
        }
        return null;
    }

    /**
     * Adds a field extraction rule with pruning option.
     *
     * @param name the field name
     * @param xpath the XPath expression for extraction
     * @param isPruned whether the extracted content should be pruned
     */

# Field name for document ID in the index.
index.field.doc_id=doc_id
# Field name for internal ID in the index.
index.field.id=_id
# Field name for version in the index.
index.field.version=_version
# Field name for sequence number in the index.
index.field.seq_no=_seq_no
# Field name for primary term in the index.
index.field.primary_term=_primary_term
# Field name for language in the index.
index.field.lang=lang

                    } catch (CIFSException e) {
                        log.error("Failed to create encryption context", e);
                        throw new SmbAuthException("Failed to setup required encryption", e);
                    }
                }

                if (preauthIntegrity) {

        } catch (final Exception e) {
            throw new SsoLoginException("Failed to get a token.", e);
        }
    }

    /**
     * Attempts to refresh tokens silently using the MSAL4J silent authentication flow.
     * @param user The Entra ID user whose tokens need to be refreshed.
     * @return The new authentication result, or null if silent refresh failed.
     */

                return OptionalEntity.of(ldapUser);
            }
        } catch (final LdapOperationException e) {
            logger.debug("LDAP operation failed during login for user: {}", username, e);
        } catch (final Exception e) {
            logger.debug("Login failed for user: {}", username, e);
        }
        return OptionalEntity.empty();
    }

    /**

                            } catch (final Exception e) {
                                if (logger.isDebugEnabled()) {
                                    logger.debug("Failed to detect MIME type from file, using default: url={}, file={}, defaultMimeType={}",
                                            url, outputFile.getAbsolutePath(), defaultMimeType, e);
                                }