} else {
                        buf.append(split);
                    }
                    final String normalizePath = systemHelper.normalizeConfigPath(path);
                    if (StringUtil.isNotBlank(normalizePath)) {
                        buf.append(normalizePath);
                    }
                }
                this.includedPaths = Pattern.compile(buf.toString());
            }

     */
    public void addToBlacklist(String path) {
        blacklistedPaths.add(normalizePath(path).toLowerCase());
    }

    /**
     * Add path to whitelist
     *
     * @param path path or pattern to whitelist
     */
    public void addToWhitelist(String path) {
        whitelistedPaths.add(normalizePath(path).toLowerCase());
    }

    /**
     * Check if path is blacklisted
     */

        String normalizedPath = noUncValidator.validatePath("\\\\\\\\server\\\\\\\\share");
        assertEquals("\\server\\share", normalizedPath);

        normalizedPath = noUncValidator.validatePath("////server//share");
        assertEquals("\\server\\share", normalizedPath);

        // To properly test UNC rejection, we would need to fix the normalization logic

            throw new IllegalArgumentException("File path cannot be blank.");
        }
        try {
            final Path filePath = Paths.get(path).normalize();
            final String normalizedPath = filePath.toString();
            if (normalizedPath.contains("..")) {
                throw new IllegalArgumentException("Invalid file path: path=" + path);
            }
            final File file = filePath.toFile();

        assertArgumentNotNull("pathToCheck", pathToCheck);
        assertArgumentNotNull("baseDirectory", baseDirectory);

        final Path normalizedPath = pathToCheck.toAbsolutePath().normalize();
        final Path normalizedBase = baseDirectory.toAbsolutePath().normalize();
        return normalizedPath.startsWith(normalizedBase);
    }

    /**
     * Validates that a given file is safe and does not attempt path traversal attacks.