String field = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS)[0];

        Map<String, Object> document = new HashMap<>();
        document.put(field, "Schöner Klang der Gitarre");
        document.put("lang", "de");
        suggester.indexer().indexFromDocument(new Map[] { document });
        suggester.refresh();

        if (locale != null) {
            final String lang = locale.getLanguage();
            if (ComponentUtil.getFessConfig().isOnlineHelpSupportedLang(lang)) {
                target = lang.toUpperCase(Locale.ROOT);
            }
        }
        return url.replaceFirst("\\{lang\\}", target == null ? "EN" : target);
    }

    /**
     * Gets the help link for a specific page.

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.di;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;

import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Denotes that a bean should be created as a singleton instance.
 * <p>

 */
package org.codelibs.core.lang;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentArrayIndex;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.Array;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;

    /**
     * Tries to resolve the POM for the specified parent coordinates possibly updating {@code parent}.
     * <p>
     * Unlike the {@link #resolveModel(java.lang.String, java.lang.String, java.lang.String)} method, this method
     * supports version ranges and updates the given {@code parent} instance to match the returned {@code ModelSource}.

import static com.google.common.collect.testing.Helpers.copyToSet;
import static java.util.Collections.emptySet;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Collection;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**

import static com.google.common.collect.testing.Helpers.copyToSet;
import static java.util.Collections.emptySet;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Collection;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**

package com.google.common.collect.testing.features;

import static com.google.common.collect.testing.Helpers.copyToSet;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import java.util.Set;

/**
 * Optional features of classes derived from {@code List}.
 *
 * @author George van den Driessche

import com.google.common.collect.Multiset;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.TesterAnnotation;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@link Multiset}.
 *
 * @author Louis Wasserman
 */

        return this;
    }

    /**
     * Adds a language to filter by.
     * @param lang The language.
     * @return This builder instance.
     */
    public SuggestRequestBuilder addLang(final String lang) {
        request.addLang(lang);
        return this;
    }