new TestStringSetGenerator() {
              @Override
              public Set<String> create(String[] elements) {
                return new HashSet<>(MinimalCollection.of(elements));
              }
            })
        .named("HashSet")
        .withFeatures(
            SetFeature.GENERAL_PURPOSE,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.ALLOWS_NULL_VALUES,

 */
enum HashFunctionEnum {
  ADLER32(Hashing.adler32()),
  CRC32(Hashing.crc32()),
  GOOD_FAST_HASH_32(Hashing.goodFastHash(32)),
  GOOD_FAST_HASH_64(Hashing.goodFastHash(64)),
  GOOD_FAST_HASH_128(Hashing.goodFastHash(128)),
  GOOD_FAST_HASH_256(Hashing.goodFastHash(256)),
  MD5(Hashing.md5()),
  MURMUR3_128(Hashing.murmur3_128()),
  MURMUR3_32(Hashing.murmur3_32()),
  MURMUR3_32_FIXED(Hashing.murmur3_32_fixed()),
  SHA1(Hashing.sha1()),

    assertEquals(
        "Hashing.hmacMd5(Key[algorithm=HmacMD5, format=RAW])", Hashing.hmacMd5(MD5_KEY).toString());
    assertEquals(
        "Hashing.hmacMd5(Key[algorithm=HmacMD5, format=RAW])", Hashing.hmacMd5(keyData).toString());

    assertEquals(
        "Hashing.hmacSha1(Key[algorithm=HmacSHA1, format=RAW])",
        Hashing.hmacSha1(SHA1_KEY).toString());
    assertEquals(

   * value with {@code asBytes()} as the least-significant bytes and {@code 0x00} as the remaining
   * most-significant bytes.
   *
   * @since 14.0 (since 11.0 as {@code Hashing.padToLong(HashCode)})
   */
  public abstract long padToLong();

  /**
   * Returns the value of this hash code as a byte array. The caller may modify the byte array;

    assertEquals(3, hashCodes.size());
  }

  public void testToString() {
    assertEquals("Hashing.sipHash24(" + K0 + ", " + K1 + ")", SIP_WITH_KEY.toString());
    assertEquals("Hashing.sipHash24(" + K0 + ", " + K1 + ")", SIP_WITHOUT_KEY.toString());
    assertEquals("Hashing.sipHash24(20, 13)", Hashing.sipHash24(20, 13).toString());
  }

  private static void assertSip(String input, long expected) {

    assertEquals(3, hashCodes.size());
  }

  public void testToString() {
    assertEquals("Hashing.sipHash24(" + K0 + ", " + K1 + ")", SIP_WITH_KEY.toString());
    assertEquals("Hashing.sipHash24(" + K0 + ", " + K1 + ")", SIP_WITHOUT_KEY.toString());
    assertEquals("Hashing.sipHash24(20, 13)", Hashing.sipHash24(20, 13).toString());
  }

  private static void assertSip(String input, long expected) {

    }

    if (hashTableKToV.length < minCapacity) {
      int newTableSize = Hashing.closedTableSize(minCapacity, 1.0);
      hashTableKToV = createFilledWithAbsent(newTableSize);
      hashTableVToK = createFilledWithAbsent(newTableSize);

      for (int entryToRehash = 0; entryToRehash < size; entryToRehash++) {
        int keyHash = Hashing.smearedHash(keys[entryToRehash]);
        int keyBucket = bucket(keyHash);

import com.google.common.collect.testing.testers.CollectionSerializationEqualTester;
import com.google.common.testing.SerializableTester;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import junit.framework.TestSuite;

/**

            new TestStringSetGenerator() {
              @Override
              public Set<String> create(String[] elements) {
                return new HashSet<>(MinimalCollection.of(elements));
              }
            })
        .named("HashSet")
        .withFeatures(
            SetFeature.GENERAL_PURPOSE,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.ALLOWS_NULL_VALUES,

        KerberosTicket ticket = getKerberosTicket(keytab, principal);
        Set<Object> privCreds = new HashSet<>();
        privCreds.add(ticket);
        return new Subject(false, new HashSet<>(Arrays.asList((Principal) principal)), Collections.EMPTY_SET, privCreds);
    }