* Uses ParamMap for automatic case format conversion between camelCase and snake_case.
     */
    protected final Map<String, Object> params;

    /**
     * Creates a new empty DataStoreParams instance.
     * Initializes the internal parameter map with a ParamMap wrapper.
     */
    public DataStoreParams() {
        params = new ParamMap<>(new HashMap<>());
    }

    /**

    protected Long maxContentLength = null;

    /**
     * Constructs a new AbstractCrawlerClient.
     */
    public AbstractCrawlerClient() {
        // NOP
    }

    /**
     * Initializes the client with parameters from initParamMap.
     * Sets maxContentLength, accessTimeout, and maxCachedContentSize.
     */
    public void init() {
        // max content length

type LruList[K comparable, V any] struct {
	root Entry[K, V] // sentinel list element, only &root, root.prev, and root.next are used
	len  int         // current list Length excluding (this) sentinel element
}

// Init initializes or clears list l.
func (l *LruList[K, V]) Init() *LruList[K, V] {
	l.root.next = &l.root
	l.root.prev = &l.root
	l.len = 0
	return l
}

// NewList returns an initialized list.

     * @param name The name.
     * @param type The type.
     */
    public OpenSearchUrlFilterService(final String name, final String type) {
        index = name + "." + type;
    }

    /**
     * Initializes the service.
     */
    @PostConstruct
    public void init() {
        fesenClient.addOnConnectListener(() -> createMapping("filter"));

        includeFilterCache = createFilterCache(INCLUDE);

    public String versionNo;

    /** Search/filter parameter for data configuration description. */
    public String description;

    /**
     * Creates a new DataConfigPager with default values.
     * Initializes pagination settings and clears all search parameters.
     */
    public DataConfigPager() {
        // Default constructor with explicit documentation
    }

    /**

     * Default constructor for DictionaryManager.
     * Creates a new dictionary manager with an empty creator list.
     */
    public DictionaryManager() {
        // Default constructor
    }

    /**
     * Initializes the dictionary manager after construction.
     * Sets up the relationship between this manager and all registered creators.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

    /**
     * The filter chain that processes queries through all registered filters
     * before executing the appropriate query command.
     */
    protected FilterChain filterChain;

    /**
     * Initializes the query processor after construction.
     * This method creates the initial filter chain from the registered filters.
     * Called automatically by the DI container after bean construction.
     */
    @PostConstruct

    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(DefaultSearcher.class);

    /**
     * Creates a new instance of DefaultSearcher.
     * This constructor initializes the default rank fusion searcher for performing
     * standard OpenSearch queries with response processing and document highlighting.
     */
    public DefaultSearcher() {
        super();
    }

    /**

    private final List<Header> requestHeaderList = new ArrayList<>();

    /**
     * Constructs a new ApiExtractor.
     */
    public ApiExtractor() {
        // NOP
    }

    /**
     * Initializes the API extractor, setting up the HTTP client and configuration.
     * This method is called after construction to initialize the HTTP client with
     * configured timeouts, authentication, and request headers.
     */

Internally, **FastAPI CLI** uses <a href="https://www.uvicorn.dev" class="external-link" target="_blank">Uvicorn</a>, a high-performance, production-ready, ASGI server. 😎

## `fastapi dev` { #fastapi-dev }

Running `fastapi dev` initiates development mode.