permalinks.add(slug)

                    line = f"{hashes} {title} {{ #{slug} }}\n"

        updated_lines.append(line)

    with path.open("w", encoding="utf-8") as f:
        f.writelines(updated_lines)


@app.command()
def add_permalinks_pages(pages: list[Path], update_existing: bool = False) -> None:
    """
    Add or update header permalinks in specific pages of En docs.

    * Make sure you add your link to the start of the corresponding section.
* To help [translate the documentation](contributing.md#translations){.internal-link target=_blank} to your language.
    * You can also help to review the translations created by others.
* To propose new documentation sections.
* To fix an existing issue/bug.
    * Make sure to add tests.
* To add a new feature.
    * Make sure to add tests.

      public T set(int index, T element) {
        return data.set(index, element);
      }

      @Override
      public boolean add(T element) {
        return data.add(element);
      }

      @Override
      public void add(int index, T element) {
        data.add(index, element);
      }

      @Override
      public T remove(int index) {
        return data.remove(index);
      }

                    }

                    // don't add if they are equal and one is not inclusive
                    if (lower == null || upper == null || lower.compareTo(upper) != 0) {
                        restrictions.add(new Restriction(lower, lowerInclusive, upper, upperInclusive));
                    } else if (lowerInclusive && upperInclusive) {
                        restrictions.add(new Restriction(lower, lowerInclusive, upper, upperInclusive));

        byte[] content = "HTML content".getBytes(StandardCharsets.UTF_8);
        data.setResponseBody(content);

        // Add metadata
        data.addMetaData("title", "Test Page");
        data.addMetaData("description", "Test description");

        // Add child URLs
        RequestData child1 = new RequestData();
        child1.setUrl("https://example.com/child1");
        data.addChildUrl(child1);

    //               = (x_n - X_n) (y_n - Y_{n-1})
    xStats.add(x);
    if (isFinite(x) && isFinite(y)) {
      if (xStats.count() > 1) {
        sumOfProductsOfDeltas += (x - xStats.mean()) * (y - yStats.mean());
      }
    } else {
      sumOfProductsOfDeltas = NaN;
    }
    yStats.add(y);
  }

  /**

            if (pluginDeclaration != null) {
                pluginDeclarations.add(pluginDeclaration);
            }
            pluginIssues
                    .computeIfAbsent(issueLocality, k -> new LinkedHashSet<>())
                    .add(issue);
        }

        private synchronized void reportPluginMojoIssue(

        for (PathAnalysis path : allPaths) {
            String finalComponent = path.path.substring(path.path.lastIndexOf('/') + 1);

            // Add path to its group
            groupedPaths.computeIfAbsent(finalComponent, k -> new ArrayList<>()).add(path);

            // Aggregate value frequencies for the group

                if (next == null) {
                    break;
                } else {
                    inSection.clear();
                    inSection.add(next);
                    heading = next;
                }
            } else {
                inSection.add(next);
            }
            next = next.nextElementSibling();
        }
    }

    private void wrapContentInContainer(Document document) {

    }

    /**
     * Test clear method
     */
    public void test_clear() {
        String sessionId = "test-session-015";
        urlFilter.init(sessionId);

        // Add some patterns
        urlFilter.addInclude("https://example.com/.*");
        urlFilter.addExclude(".*\\.jpg$");

        // Verify patterns are working
        assertTrue(urlFilter.match("https://example.com/page"));