public final class CollectorTester<
    T extends @Nullable Object, A extends @Nullable Object, R extends @Nullable Object> {
  /**
   * Creates a {@code CollectorTester} for the specified {@code Collector}. The result of the {@code
   * Collector} will be compared to the expected value using {@link Object#equals}.
   */
  public static <T extends @Nullable Object, A extends @Nullable Object, R extends @Nullable Object>

        private String bucketName;
        /** The name of the storage object */
        private String objectName;
        /** Cached blob object */
        private Blob blob;

        /**
         * Constructs a new GcsURLConnection for the specified URL.
         * This constructor parses the URL to extract bucket and object names.
         *
         * @param url The GCS URL to connect to
         */

            keyStrengths,
            valueStrengths);
    return Iterables.transform(
        combinations,
        new Function<List<Object>, CacheBuilder<Object, Object>>() {
          @Override
          public CacheBuilder<Object, Object> apply(List<Object> combination) {
            return createCacheBuilder(
                (Integer) combination.get(0),
                (Integer) combination.get(1),

/**
 * Utility for converting objects representing date and time to {@link Date}, {@link Calendar}, and {@link Timestamp}.
 * <p>
 * For objects representing only dates, use {@link DateConversionUtil}. For objects representing only time, see {@link TimeConversionUtil}.
 * </p>
 * <p>
 * If the source object is a {@link Date}, {@link Calendar}, or {@link Timestamp}, the converted object is created using their millisecond value.

// initialization vector (IV) and the bucket/object path.
//
//  1. Encrypt:
//     Input: ClientKey, bucket, object, metadata, object_data
//     -              IV := Random({0,1}²⁵⁶)
//     -       ObjectKey := SHA256(ClientKey || Random({0,1}²⁵⁶))
//     -       KeyEncKey := HMAC-SHA256(ClientKey, IV || 'SSE-C' || 'DAREv2-HMAC-SHA256' || bucket || '/' || object)
//     -       SealedKey := DAREv2_Enc(KeyEncKey, ObjectKey)

    @Override
    public boolean containsKey(@Nullable Object key) {
      Object obverseValue = key;
      return obverse.containsValue(obverseValue);
    }

    @Override
    public boolean containsValue(@Nullable Object value) {
      Object obverseKey = value;
      return obverse.containsKey(obverseKey);
    }

    @Override
    public @Nullable K get(@Nullable Object key) {
      Object obverseValue = key;

    }

    /**
     * Converts the given object to a {@link Date}.
     *
     * @param src
     *            The source object to convert.
     * @return The converted {@link Date}.
     */
    public static Date toDate(final Object src) {
        return toDate(src, null, LocaleUtil.getDefault());
    }

    /**
     * Converts the given object to a {@link Date}.
     *
     * @param src

     *   <li>Return a pooled equivalent object to reduce memory usage</li>
     *   <li>Return a modified or optimized version of the object</li>
     * </ul>
     *
     * <p>The implementation must ensure that the returned object is functionally
     * equivalent to the input object from the perspective of the Maven model.</p>
     *
     * @param <T> the type of the model object

/**
 * Abstract implementation of {@link InvocationHandler} that handles {@link Object#equals}, {@link
 * Object#hashCode} and {@link Object#toString}. For example:
 *
 * <pre>
 * class Unsupported extends AbstractInvocationHandler {
 *   protected Object handleInvocation(Object proxy, Method method, Object[] args) {
 *     throw new UnsupportedOperationException();
 *   }
 * }
 *

   */
  public static <F extends @Nullable Object, T extends @Nullable Object> Supplier<T> compose(
      Function<? super F, T> function, Supplier<F> supplier) {
    return new SupplierComposition<>(function, supplier);
  }

  private static final class SupplierComposition<
          F extends @Nullable Object, T extends @Nullable Object>
      implements Supplier<T>, Serializable {