*/
    public DataIndexHelper() {
        // Default constructor with explicit documentation
    }

    /**
     * Initiates crawling for all configured data stores.
     * This method retrieves all available data configurations and
     * starts the crawling process for each one.
     *
     * @param sessionId unique identifier for this crawling session
     */
    public void crawl(final String sessionId) {

         */
        public boolean isTeminated() {
            return teminated;
        }
    }

    /**
     * Thread that reads input stream data and buffers it for later retrieval.
     * Captures output from command execution with configurable line buffering.
     */
    protected static class InputStreamThread extends Thread {

        /** Buffered reader for input stream. */

    //                                                                        Assist Logic
    //                                                                        ============
    /**
     * Retrieves or creates a WebConfig entity based on the form's CRUD mode.
     *
     * @param form the form containing the web config data
     * @param username the username of the current user

            assertThrows(NullPointerException.class, () -> handleWithNullBinding.toString());
        }

        @Test
        @DisplayName("Should handle session key retrieval")
        void testSessionKeyRetrieval() throws CIFSException {
            // When: Getting session key
            byte[] sessionKey = handle.getSessionKey();

            // Then: Should return expected session key

import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.util.LaRequestUtil;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;

/**
 * Client class for RAG (Retrieval-Augmented Generation) chat functionality.
 *
 * Orchestrates the multi-phase RAG workflow including session management,
 * document search, and delegation to LlmClientManager for LLM operations.

        sslSocket.closeQuietly()
      }
    }
  }

  /**
   * To make an HTTPS connection over an HTTP proxy, send an unencrypted CONNECT request to create
   * the proxy connection. This may need to be retried if the proxy requires authorization.
   */
  @Throws(IOException::class)
  private fun createTunnel(): Request? {
    var nextRequest = tunnelRequest!!

    // If we do have a route selector, use its routes.
    return localRouteSelector.hasNext()
  }

  /**
   * Return the route from [connection] if it should be retried, even if the connection itself is
   * unhealthy. The biggest gotcha here is that we shouldn't reuse routes from coalesced
   * connections.
   */
  private fun retryRoute(connection: RealConnection): Route? =

        // Acquire the shared lock allowing interruption.
        acquireSharedInterruptibly(-1);
        return getValue();
      }

      /**
       * Implementation of the actual value retrieval. Will return the value on success, an
       * exception on failure, a cancellation on cancellation, or an illegal state if the
       * synchronizer is in an invalid state.
       */

            searchPaging(data, form);
        });
    }

    /**
     * Populate render data with stemmer override items for pagination display.
     * Retrieves items based on search criteria and restores form data from pager.
     *
     * @param data The render data to populate
     * @param form The search form containing criteria
     */

     */
    @Nonnull
    Map<String, String> attributes();

    /**
     * Returns the value of a specific attribute.
     *
     * @param name the name of the attribute to retrieve
     * @return the attribute value, or {@code null} if the attribute doesn't exist
     * @throws NullPointerException if name is null
     */
    @Nullable
    String attribute(@Nonnull String name);

    /**