* @param <E> Edge parameter type
 */
@ElementTypesAreNonnullByDefault
final class StandardMutableNetwork<N, E> extends StandardNetwork<N, E>
    implements MutableNetwork<N, E> {

  /** Constructs a mutable graph with the properties specified in {@code builder}. */
  StandardMutableNetwork(NetworkBuilder<? super N, ? super E> builder) {
    super(builder);
  }

  @Override
  @CanIgnoreReturnValue

 * if key or value objects already present in the multimap change in a manner that affects
 * {@code equals} comparisons. Use caution if mutable objects are used as keys or values in a {@code
 * SetMultimap}.
 *
 * <p><b>Warning:</b> Do not modify either a key <i>or a value</i> of a {@code SetMultimap} in a way

 * if key or value objects already present in the multimap change in a manner that affects
 * {@code equals} comparisons. Use caution if mutable objects are used as keys or values in a {@code
 * SetMultimap}.
 *
 * <p><b>Warning:</b> Do not modify either a key <i>or a value</i> of a {@code SetMultimap} in a way

  }

  private static <T extends @Nullable Object> List<T> shuffledCopy(List<T> in, Random random) {
    List<T> mutable = newArrayList(in);
    List<T> out = newArrayList();
    while (!mutable.isEmpty()) {
      out.add(mutable.remove(random.nextInt(mutable.size())));
    }
    return out;
  }

  }

  private static <T extends @Nullable Object> List<T> shuffledCopy(List<T> in, Random random) {
    List<T> mutable = newArrayList(in);
    List<T> out = newArrayList();
    while (!mutable.isEmpty()) {
      out.add(mutable.remove(random.nextInt(mutable.size())));
    }
    return out;
  }

     * Return text representing the SID type suitable for display to
     * users. Text includes 'User', 'Domain group', 'Local group', etc.
     * 
     * @return textual representation of type
     */
    String getTypeText ();


    /**
     * Returns the type of this SID indicating the state or type of account.
     * <p>
     * SID types are described in the following table.
     * <table summary="Type codes">

///

### 🏺 🎂 🛠️

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### <a href="https://marshmallow.readthedocs.io/en/stable/" class="external-link" target="_blank">🍭</a>

      AvlNode<E> newRoot = new AvlNode<>(element, occurrences);
      successor(header, newRoot, header);
      rootReference.checkAndSet(root, newRoot);
      return 0;
    }
    int[] result = new int[1]; // used as a mutable int reference to hold result
    AvlNode<E> newRoot = root.add(comparator(), element, occurrences, result);
    rootReference.checkAndSet(root, newRoot);
    return result[0];
  }

  @CanIgnoreReturnValue

 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for
 * number types; reasonable default instance for other stateless types. For mutable types, a fresh
 * instance is created each time {@code get()} is called.
 *
 * @author Kevin Bourrillion
 * @author Ben Yu
 * @since 12.0
 */
@GwtIncompatible
@J2ktIncompatible

import java.util.Map;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A mutable class-to-instance map backed by an arbitrary user-provided map. See also {@link
 * ImmutableClassToInstanceMap}.
 *
 * <p>See the Guava User Guide article on <a href=