}

    // Helper method to delete directory recursively
    private void deleteDirectory(File dir) {
        if (dir.isDirectory()) {
            File[] children = dir.listFiles();
            if (children != null) {
                for (File child : children) {
                    deleteDirectory(child);
                }
            }
        }
        dir.delete();
    }

     *
     * @param searchEngineClient the search engine client to query
     * @param id the parent document ID to find children for
     * @return a set of RequestData objects for the child URLs, or null if no children found
     */
    protected Set<RequestData> getChildUrlSet(final SearchEngineClient searchEngineClient, final String id) {

			// here.
			return errFileAccessDenied
		}
	}
	return err
}

// Reliably retries os.RemoveAll if for some reason os.RemoveAll returns
// syscall.ENOTEMPTY (children has files).
func reliableRemoveAll(dirPath string) (err error) {
	i := 0
	for {
		// Removes all the directories and files.
		if err = RemoveAll(dirPath); err != nil {
			// Retry only for the first retryable error.

return o.default(this._element).trigger(a),a},e._setActiveIndicatorElement=function(t){if(this._indicatorsElement){var e=[].slice.call(this._indicatorsElement.querySelectorAll(".active"));o.default(e).removeClass(S);var n=this._indicatorsElement.children[this._getItemIndex(t)];n&&o.default(n).addClass(S)}},e._updateInterval=function(){var t=this._activeElement||this._element.querySelector(I);if(t){var e=parseInt(t.getAttribute("data-interval"),10);e?(this._config.defaultInterval=this._config.def...

- **CrawlerThread** (`CrawlerThread.java`): Worker thread - Poll URL → Validate → Execute → Process → Queue children

### HTTP Client Architecture

```
SwitchableHttpClient (extends FaultTolerantClient)
    ├── Hc5HttpClient (default) - Apache HttpComponents 5.x
    └── Hc4HttpClient (fallback) - Apache HttpComponents 4.x

                        try {
                            ResolutionGroup rGroup;

                            Object childKey;
                            do {
                                childKey = child.getKey();

                                if (managedVersions.containsKey(childKey)) {
                                    // If this child node is a managed dependency, ensure

    /**
     * Deletes all child documents that belong to the specified parent document.
     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param id the parent document ID whose children should be deleted
     * @return the number of child documents that were deleted
     */
    public long deleteChildDocument(final SearchEngineClient searchEngineClient, final String id) {

import static org.apache.maven.internal.impl.Lifecycles.after;
import static org.apache.maven.internal.impl.Lifecycles.alias;
import static org.apache.maven.internal.impl.Lifecycles.children;
import static org.apache.maven.internal.impl.Lifecycles.dependencies;
import static org.apache.maven.internal.impl.Lifecycles.phase;
import static org.apache.maven.internal.impl.Lifecycles.plugin;

/**

            <p>You can control how child POMs inherit configuration from parent POMs by adding {@code combine.children}
            or {@code combine.self} attributes to the children of the configuration element:</p>
            <ul>
            <li>{@code combine.children}: available values are {@code merge} (default) and {@code append},</li>

_initializeChildren() {\n    if (!this._config.parent) {\n      return\n    }\n\n    const children = this._getFirstLevelChildren(SELECTOR_DATA_TOGGLE)\n\n    for (const element of children) {\n      const selected = SelectorEngine.getElementFromSelector(element)\n\n      if (selected) {\n        this._addAriaAndCollapsedClass([element], this._isShown(selected))\n      }\n    }\n  }\n\n  _getFirstLevelChildren(selector) {\n    const children = SelectorEngine.find(CLASS_NAME_DEEPER_CHILDREN, this._config.parent)\n...