/**
   * Returns the unique greatest value of type {@code C} that is less than {@code value}, or {@code
   * null} if none exists. Inverse operation to {@link #next}.
   *
   * @param value any value of type {@code C}
   * @return the greatest value less than {@code value}, or {@code null} if {@code value} is {@code
   *     minValue()}
   */
  @CheckForNull
  public abstract C previous(C value);

  /**

public final class CacheBuilderSpec {
  /** Parses a single value. */
  private interface ValueParser {
    void parse(CacheBuilderSpec spec, String key, @CheckForNull String value);
  }

  /** Splits each key-value pair. */
  private static final Splitter KEYS_SPLITTER = Splitter.on(',').trimResults();

  /** Splits the key from the value. */
  private static final Splitter KEY_VALUE_SPLITTER = Splitter.on('=').trimResults();

    return put(key, value, false);
  }

  @CheckForNull
  private V put(@ParametricNullness K key, @ParametricNullness V value, boolean force) {
    int keyHash = smearedHash(key);
    int valueHash = smearedHash(value);

    BiEntry<K, V> oldEntryForKey = seekByKey(key, keyHash);
    if (oldEntryForKey != null
        && valueHash == oldEntryForKey.valueHash
        && Objects.equal(value, oldEntryForKey.value)) {

    Double.NEGATIVE_INFINITY,
    -Double.MAX_VALUE,
    (double) Long.MIN_VALUE,
    (double) Integer.MIN_VALUE,
    -Math.PI,
    -1.0,
    -Double.MIN_VALUE,
    -0.0,
    +0.0,
    Double.MIN_VALUE,
    1.0,
    Math.PI,
    (double) Integer.MAX_VALUE,
    (double) Long.MAX_VALUE,
    Double.MAX_VALUE,
    Double.POSITIVE_INFINITY,
    Double.NaN,
    Float.MAX_VALUE,
  };

  }

  @Override
  public V get(Object key) {
    checkNotNull(key);
    Timestamped<V> value = cachingHashMap.get(key);

    if (value == null) {
      statsCounter.recordMisses(1);
      return null;
    } else if (!isExpired(value)) {
      statsCounter.recordHits(1);
      value.updateTimestamp();
      return value.getValue();
    } else {
      statsCounter.recordEviction();
      statsCounter.recordMisses(1);

    return findEntry(key, keyHash, hashTableKToV, nextInBucketKToV, keys);
  }

  /** Given a value, returns the index of the entry in the tables, or ABSENT if not found. */
  int findEntryByValue(@CheckForNull Object value) {
    return findEntryByValue(value, Hashing.smearedHash(value));
  }

  /**
   * Given a value and its hash, returns the index of the entry in the tables, or ABSENT if not
   * found.
   */

  /**
   * Returns the value associated with {@code key} in this cache, first loading that value if
   * necessary. No observable state associated with this cache is modified until loading completes.
   *
   * <p>If another call to {@link #get} or {@link #getUnchecked} is currently loading the value for
   * {@code key}, simply waits for that thread to finish and returns its loaded value. Note that

    return generateListMultimap(key, value);
  }

  @Generates
  static <K, V> ImmutableMultimap<K, V> generateImmutableMultimap(K key, V value) {
    return ImmutableMultimap.of(key, value);
  }

  @Generates
  static <K, V> ListMultimap<K, V> generateListMultimap(@Nullable K key, @Nullable V value) {
    return generateArrayListMultimap(key, value);
  }

  @Generates

      return column;
    }

    @Override
    public V getValue() {
      return value;
    }

    void merge(V value, BinaryOperator<V> mergeFunction) {
      checkNotNull(value, "value");
      this.value = checkNotNull(mergeFunction.apply(this.value, value), "mergeFunction.apply");
    }
  }

  private static <R extends @Nullable Object, C extends @Nullable Object, V> void mergeTables(

  /**
   * Returns {@code true} if this multimap contains at least one key-value pair with the value
   * {@code value}.
   */
  boolean containsValue(@CompatibleWith("V") @CheckForNull Object value);

  /**
   * Returns {@code true} if this multimap contains at least one key-value pair with the key {@code
   * key} and the value {@code value}.
   */
  boolean containsEntry(
      @CompatibleWith("K") @CheckForNull Object key,