}

    /**
     * Sets the index name.
     * @param index The index name.
     * @return This SuggestIndexer instance.
     */
    public SuggestIndexer setIndexName(final String index) {
        this.index = index;
        return this;
    }

    /**
     * Sets the supported fields.
     * @param supportedFields The supported fields.

        return targetNodePath;
    }

    /**
     * Sets the XPath expression for selecting target nodes.
     *
     * @param targetNodePath the target node path to set
     */
    public void setTargetNodePath(final String targetNodePath) {
        this.targetNodePath = targetNodePath;
    }

    /**
     * Sets the cache duration for XPathAPI instances.
     *

    EndpointPair<N> endpointPair = incidentNodes(edge); // Verifies that edge is in this network.
    Set<E> endpointPairIncidentEdges =
        Sets.union(incidentEdges(endpointPair.nodeU()), incidentEdges(endpointPair.nodeV()));
    return edgeInvalidatableSet(
        Sets.difference(endpointPairIncidentEdges, ImmutableSet.of(edge)), edge);
  }

  @Override
  public Set<E> edgesConnecting(N nodeU, N nodeV) {

     * @return true if this is a default rule, false otherwise
     */
    public boolean isDefaultRule() {
        return defaultRule;
    }

    /**
     * Sets whether this rule should be a default rule that matches all responses.
     * @param defaultRule true to make this a default rule, false otherwise
     */
    public void setDefaultRule(final boolean defaultRule) {

        }
    }

    /**
     * Returns the URL pattern.
     * @return The URL pattern.
     */
    public String getUrlPattern() {
        return urlPattern;
    }

    /**
     * Sets the URL pattern.
     * @param urlPattern The URL pattern.
     */
    public void setUrlPattern(final String urlPattern) {
        this.urlPattern = urlPattern;
    }

    /**

     *
     * @return the configured query parser
     */
    protected QueryParser getQueryParser() {
        return ComponentUtil.getQueryParser();
    }

    /**
     * Processes and sets search preferences for routing search requests to appropriate OpenSearch shards.
     * This method determines the preference value based on user roles, session information, or request parameters.
     *

/**
 * Tests for SpnegoToken.
 * Uses a minimal concrete subclass to exercise abstract methods.
 */
class SpnegoTokenTest {

    /**
     * Minimal concrete implementation for testing.
     * - parse: sets mechanismToken, throws on null
     * - toByteArray: returns mechanismToken or empty array if null
     */
    static class TestSpnegoToken extends SpnegoToken {
        private boolean parsed = false;

        @Override

import static com.google.common.graph.Graphs.checkPositive;
import static java.util.Objects.requireNonNull;

import com.google.common.collect.Iterables;
import com.google.common.collect.Iterators;
import com.google.common.collect.Sets;
import com.google.common.collect.UnmodifiableIterator;
import com.google.common.math.IntMath;
import java.util.AbstractSet;
import java.util.Collections;
import java.util.Map;
import java.util.Set;

  }

  private final class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override
    public boolean equals(@Nullable Object o) {
      return Sets.equalsImpl(this, o);
    }
  }

        else -> url
      }

    /**
     * Sets the URL target of this request.
     *
     * @throws IllegalArgumentException if the scheme of [url] is not `http` or `https`.
     */
    open fun url(url: URL) = url(url.toString().toHttpUrl())

    /**
     * Sets the header named [name] to [value]. If this request already has any headers