logger.warn("Failed to access groups/roles in Entra ID for id: {}", id, e);
        }
    }

    /**
     * Gets the default group list for users.
     * Uses new entraid.default.groups key with fallback to legacy aad.default.groups.
     * @return The default group list.
     */
    protected List<String> getDefaultGroupList() {

### [Fast Fallback](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-ok-http-client/-builder/fast-fallback/)

Since version 5.0, `OkHttpClient` supports fast fallback, which is our implementation of Happy Eyeballs [RFC 6555](https://datatracker.ietf.org/doc/html/rfc6555).

 * and performant but introduces some testing difficulties. This test exercises the two fallback
 * strategies.
 *
 * <ul>
 *   <li>SafeAtomicHelper: uses Atomic FieldsUpdaters to implement synchronization
 *   <li>SynchronizedHelper: uses {@code synchronized} blocks for synchronization
 * </ul>
 *
 * To force selection of our fallback strategies we load {@link AggregateFutureState} (and all of

     * Uses the default buffer size and no output callback.
     *
     * @param process the system process to wrap
     */
    public JobProcess(final Process process) {
        this(process, InputStreamThread.MAX_BUFFER_SIZE, null);
    }

    /**
     * Constructs a new JobProcess with the specified process, buffer size, and output callback.
     *
     * @param process the system process to wrap

     *
     * @param index the name of the index to scroll through
     * @param callback the function to apply to each search hit, returning true to continue or false to stop
     * @return the number of documents processed
     */
    public static long scroll(final String index, final Function<SearchHit, Boolean> callback) {

package org.codelibs.fess.ds;

import org.codelibs.fess.ds.callback.IndexUpdateCallback;
import org.codelibs.fess.entity.DataStoreParams;
import org.codelibs.fess.opensearch.config.exentity.DataConfig;

/**
 * The interface for DataStore.
 */
public interface DataStore {

    /**
     * Store the data.
     * @param config The data configuration.
     * @param callback The callback.
     * @param initParamMap The initial parameters.

 * selected in the static initializer of AbstractFuture. This is convenient and performant but
 * introduces some testing difficulties. This test exercises the fallback strategies.
 *
 * <p>To force selection of our fallback strategies, we load {@link AbstractFuture} (and all of
 * {@code com.google.common.util.concurrent}) in degenerate class loaders which make certain
 * platform classes unavailable. Then we construct a test suite so we can run the normal

     *
     * Use this API to attach timing, debugging, or other application data to a request so that
     * you may read it in interceptors, event listeners, or callbacks.
     */
    @JvmName("reifiedTag")
    inline fun <reified T : Any> tag(tag: T?): Builder = tag(T::class, tag)

    /**

    // instance.  It is always safe to return the same instance because
    // javascript is single-threaded, and only used by blocks that doesn't
    // involve async callbacks.
    return CHAR_BUFFER;
  }

  private Platform() {}

## File Structure

Language resource files are located in:
```
src/main/resources/
├── fess_label.properties           # Base English labels (fallback)
├── fess_label_[locale].properties  # Language-specific labels (~1,056 lines)
├── fess_message.properties         # Base English messages (fallback)
└── fess_message_[locale].properties # Language-specific messages (~200 lines)
```

### Naming Convention