final AccessToken accessToken = getAccessToken(body).map(entity -> {
            entity.setToken(accessTokenHelper.generateAccessToken());
            try {
                accessTokenService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

        }

        body.crudMode = CrudMode.CREATE;
        final RequestHeader reqHeader = getRequestHeader(body).map(entity -> {
            try {
                reqHeaderService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

        }

        body.crudMode = CrudMode.CREATE;
        final WebAuthentication webAuth = getWebAuthentication(body).map(entity -> {
            try {
                webAuthService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

    checkArgument(
        (topCharacteristics & Spliterator.SUBSIZED) == 0,
        "flatMap does not support SUBSIZED characteristic");
    checkArgument(
        (topCharacteristics & Spliterator.SORTED) == 0,
        "flatMap does not support SORTED characteristic");
    checkNotNull(fromSpliterator);
    checkNotNull(function);
    return new FlatMapSpliteratorOfObject<>(
        null, fromSpliterator, function, topCharacteristics, topSize);

     * If data appending is enabled and the key already exists, values are combined into arrays.
     *
     * @param dataMap the data map to modify
     * @param key the key to store the value under
     * @param value the value to store
     */
    default void putResultDataBody(final Map<String, Object> dataMap, final String key, final Object value) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

    checkArgument(
        (topCharacteristics & Spliterator.SUBSIZED) == 0,
        "flatMap does not support SUBSIZED characteristic");
    checkArgument(
        (topCharacteristics & Spliterator.SORTED) == 0,
        "flatMap does not support SORTED characteristic");
    checkNotNull(fromSpliterator);
    checkNotNull(function);
    return new FlatMapSpliteratorOfObject<>(
        null, fromSpliterator, function, topCharacteristics, topSize);

 */
@Experimental
@ThreadSafe
@Provider
public interface SessionData {

    /**
     * Associates the specified session data with the given key.
     *
     * @param key the key under which to store the session data, must not be {@code null}
     * @param value the data to associate with the key, may be {@code null} to remove the mapping
     */
    <T> void set(@Nonnull Key<T> key, @Nullable T value);

    /**

        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final RelatedQuery relatedQuery = getRelatedQuery(body).map(entity -> {
            try {
                relatedQueryService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

**Key Capabilities:**
- Full-text search with OpenSearch backend
- Web, file system, and data store crawling
- Multi-format document support (Office, PDF, etc.)
- Admin GUI for configuration
- REST API for programmatic access
- SSO integration (OIDC, SAML, SPNEGO, Entra ID)
- i18n support (20+ languages)

import (
	"context"
)

const (
	memTotal     = "total"
	memUsed      = "used"
	memFree      = "free"
	memBuffers   = "buffers"
	memCache     = "cache"
	memUsedPerc  = "used_perc"
	memShared    = "shared"
	memAvailable = "available"
)

var (
	memTotalMD     = NewGaugeMD(memTotal, "Total memory on the node")
	memUsedMD      = NewGaugeMD(memUsed, "Used memory on the node")