import com.google.common.collect.testing.google.DerivedGoogleCollectionGenerators.MapGenerator;
import com.google.common.collect.testing.testers.SetCreationTester;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestSuite;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a {@code BiMap}

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**

    private int nextIndex;

    /**
     * nextItem holds on to item fields because once we claim that an element exists in hasNext(),
     * we must return it in the following next() call even if it was in the process of being removed
     * when hasNext() was called.
     */
    private @Nullable E nextItem;

    /**

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

            this.locale = locale;
        }

        @Override
        public boolean hasNext() {
            return index < STYLES.length;
        }

        @Override
        public DateFormat next() {
            if (!hasNext()) {
                throw new NoSuchElementException();
            }
            final int style = STYLES[index++];

            this.locale = locale;
        }

        @Override
        public boolean hasNext() {
            return index < STYLES.length;
        }

        @Override
        public DateFormat next() {
            if (!hasNext()) {
                throw new NoSuchElementException();
            }
            final int style = STYLES[index++];

        throw new ConcurrentModificationException();
      }
    }

    @Override
    public boolean hasNext() {
      checkForConcurrentModification();
      return entryIndex >= 0;
    }

    @Override
    @ParametricNullness
    public T next() {
      if (!hasNext()) {
        throw new NoSuchElementException();
      }
      T result = result(entryIndex);
      toRemove = entryIndex;

                min(splitrA.estimateSize(), splitrB.estimateSize()), characteristics) {
              @Override
              public boolean tryAdvance(Consumer<? super R> action) {
                if (itrA.hasNext() && itrB.hasNext()) {
                  action.accept(function.apply(itrA.next(), itrB.next()));
                  return true;
                }
                return false;
              }
            },

    byte[] key = new byte[256];
    byte[] hashes = new byte[hashBytes * 256];

    // Hash keys of the form {}, {0}, {0,1}, {0,1,2}... up to N=255,using 256-N as the seed
    for (int i = 0; i < 256; i++) {
      key[i] = (byte) i;
      int seed = 256 - i;
      byte[] hash = hashFunction.hash(Arrays.copyOf(key, i), seed);
      System.arraycopy(hash, 0, hashes, i * hashBytes, hash.length);
    }

     */
    public EmptyIterator() {
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

    @Override
    public boolean hasNext() {
        return false;
    }

    @Override
    public T next() {
        throw new ClUnsupportedOperationException("next");
    }