/**
     * Creates a new event source and immediately returns it. Creating an event source initiates an
     * asynchronous process to connect the socket. Once that succeeds or fails, `listener` will be
     * notified. The caller must cancel the returned event source when it is no longer in use.
     */
    fun newEventSource(
      request: Request,
      listener: EventSourceListener,
    ): EventSource
  }

    }

    /**
     * Returns an extracted text.
     *
     * @param inputStream An input stream.
     * @param params A map of parameters.
     * @param postFilter A post filter.
     * @return An extracted data.
     */
    protected ExtractData getText(final InputStream inputStream, final Map<String, String> params,
            final BiConsumer<ExtractData, InputStream> postFilter) {

        }
        form.fields.entrySet().stream().filter(e -> e.getValue() != null).forEach(e -> {
            final String key = LaFunctions.u(e.getKey());
            stream(e.getValue()).of(stream -> stream.filter(StringUtil::isNotBlank)
                    .forEach(s -> pagingQueryList.add("fields." + key + "=" + LaFunctions.u(s))));
        });
        form.as.entrySet().stream().filter(e -> e.getValue() != null).forEach(e -> {

        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).toArray(n -> new String[n]));
    }

    /**
     * Gets the default roles as an array.
     *
     * @return the default roles
     */

        regA(builder);
        return builder;
    }

    protected FilterAggregationBuilder regFilterA(String name, QueryBuilder filter) {
        FilterAggregationBuilder builder = AggregationBuilders.filter(name, filter);
        regA(builder);
        return builder;
    }

    protected GlobalAggregationBuilder regGlobalA(String name) {

        } else if (input instanceof List) {
            values = ((List<?>) input).stream().filter(Objects::nonNull).map(Object::toString).toArray(n -> new String[n]);
        } else if (input instanceof String) {
            return input.toString();
        }
        if (values != null) {
            return stream(values).get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining(" ")));
        }

    /**
     * Gets plugin JAR files from the plugin directory that match the specified filter.
     *
     * @param filter the FilenameFilter to apply when selecting plugin JAR files
     * @return an array of File objects representing matching plugin JAR files, or empty array if none found
     */
    public static File[] getPluginJarFiles(final FilenameFilter filter) {
        final File libDir = getPluginPath().toFile();

    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

        void callback(CQ must, CQ should, CQ mustNot, CQ filter);
    }

    @FunctionalInterface
    public interface FilteredCall<CQ extends EsAbstractConditionQuery, CF extends EsAbstractConditionQuery> {

        void callback(CQ query, CF filter);
    }

    @FunctionalInterface
    public interface OperatorCall<CQ extends EsAbstractConditionQuery> {

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;

/**
 * Artifact collector - takes a set of original artifacts and resolves the best versions to use
 * along with their metadata. No artifacts are downloaded.
 */
@Deprecated

```java
SuggestResponse response = suggester.suggest()
    .setQuery("search term")
    .setSize(10)                           // max results
    .setTags(new String[]{"category"})      // filter by tags
    .setRoles(new String[]{"user"})         // filter by roles  
    .setLanguages(new String[]{"en", "ja"}) // language preference
    .setFields(new String[]{"title"})       // search specific fields
    .execute()
    .getResponse();
```