import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * An interface for representing and manipulating an origin node's adjacent nodes and incident edges
 * in a {@link Network}.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 */
interface NetworkConnections<N, E> {

  Set<N> adjacentNodes();

  Set<N> predecessors();

  Set<N> successors();

import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * A base implementation of {@link NetworkConnections} for undirected networks.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 */
abstract class AbstractUndirectedNetworkConnections<N, E> implements NetworkConnections<N, E> {

/**
 * A class to allow {@link ValueGraph} implementations to be backed by a provided delegate. This is
 * not currently planned to be released as a general-purpose forwarding class.
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 */
abstract class ForwardingValueGraph<N, V> extends AbstractValueGraph<N, V> {

  abstract ValueGraph<N, V> delegate();

  @Override
  public Set<N> nodes() {

    /**
     * Enable hack to make kerberos auth work with DFS sending short names
     *
     * This works by appending the domain name to the netbios short name and will fail horribly if this mapping is not
     * correct for your domain.
     *
     * Property {@code jcifs.smb.client.dfs.convertToFQDN} (boolean, default false)
     *
     * @return whether to convert NetBIOS names returned by DFS to FQDNs
     */
    boolean isDfsConvertToFQDN();

* Action required: federation-only: Please update your cluster name to be a valid DNS label. ([#30956](https://github.com/kubernetes/kubernetes/pull/30956), [@nikhiljindal](https://github.com/nikhiljindal))
    * Updating federation.v1beta1.Cluster API to disallow subdomains as valid cluster names. Only DNS labels are allowed as valid cluster names now.

    /**
     * Normalizes a permission name based on configuration settings.
     *
     * @param name the permission name to normalize
     * @return the normalized permission name
     */
    public String normalizePermissionName(final String name) {
        if (fessConfig.isLdapLowercasePermissionName()) {
            return name.toLowerCase(Locale.ROOT);
        }
        return name;
    }

    /**

                        final String[] values = req.getParameterValues(name);
                        if (values == null || values.length == 0 || StringUtil.isEmpty(values[0])) {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Required parameter '{}' is missing or empty. Skip storing search parameters.", name);
                            }

    /** Field name for count values in aggregation results. */
    private static final String COUNT = "count";

    /** Field name for key values in aggregation results. */
    private static final String KEY = "key";

    /** Field name for ID values in aggregation results. */
    private static final String ID = "id";

    /** Field name for user information ID in aggregations. */

		},
		3: {bucketName: "a", objName: "obj", inputData: []byte(""), expectedError: BucketNameInvalid{Bucket: "a"}},

		// Case with invalid object names.
		4: {bucketName: bucket, inputData: []byte(""), expectedError: ObjectNameInvalid{Bucket: bucket, Object: ""}},

		// Valid object and bucket names but non-existent bucket.
		5: {bucketName: "abc", objName: "def", inputData: []byte(""), expectedError: BucketNotFound{Bucket: "abc"}},

/**
 * A class to allow {@link Network} implementations to be backed by a provided delegate. This is not
 * currently planned to be released as a general-purpose forwarding class.
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 */
abstract class ForwardingNetwork<N, E> extends AbstractNetwork<N, E> {

  abstract Network<N, E> delegate();

  @Override
  public Set<N> nodes() {