@Test
    @DisplayName("ensureDFSResolved(): no exception when underlying call succeeds")
    void ensureDFSResolved_success() throws Exception {
        // Arrange: default mock does nothing

        // Act: call method under test
        handle.ensureDFSResolved();

        // Assert: interaction happened and did not throw
        verify(handle, times(1)).ensureDFSResolved();
        verifyNoMoreInteractions(handle);
    }

setattr(_current_module, "metrics", _metrics)
setattr(_current_module, "optimizers", _optimizers)
setattr(_current_module, "initializers", _initializers)


# Do an eager load for Keras' code so that any function/method that needs to
# happen at load time will trigger, eg registration of optimizers in the
# SavedModel registry.
# See b/196254385 for more details.
try:
  if _tf_uses_legacy_keras:

        }
        return name;
    }

    /**
     * Executes a search operation with the specified parameters.
     * This method must be implemented by concrete searcher classes.
     *
     * @param query the search query string
     * @param params the search request parameters including pagination, filters, etc.

    }

    /**
     * Sets the expiration time for thumbnails.
     *
     * @param expiry the expiration time in milliseconds (must be positive)
     * @return this PurgeThumbnailJob instance for method chaining
     */
    public PurgeThumbnailJob expiry(final long expiry) {
        if (expiry > 0) {
            this.expiry = expiry;
        }
        return this;
    }

        assertArgumentNotNull("is", is);

        final ByteArrayOutputStream os = new ByteArrayOutputStream(BUF_SIZE);
        CopyUtil.copy(is, os);
        return os.toByteArray();
    }

    /**
     * A method that wraps exception handling for {@link InputStream#available()}.
     *
     * @param is the input stream (must not be {@literal null})
     * @return the available size
     */

    /**
     * Merges an array of SuggestItem objects by combining items with the same ID.
     *
     * <p>This method iterates through the provided array of SuggestItem objects and merges
     * items that have the same ID. The merged items are added to a new list, which is then
     * converted back to an array and returned.</p>
     *

   *   <li>Otherwise, return an instance of {@link ClusterException} that wraps the first exception
   *       in the {@code exceptions} collection.
   * </ul>
   *
   * <p>Though this method takes any {@link Collection}, it often makes most sense to pass a {@link
   * java.util.List} or some other collection that preserves the order in which the exceptions got
   * added.
   *

         * @return {@code this} for method call chaining
         */
        @Nonnull
        public DependencyResolverRequestBuilder pathTypeFilter(@Nonnull Predicate<PathType> pathTypeFilter) {
            this.pathTypeFilter = pathTypeFilter;
            return this;
        }

        /**
         * Specifies the type of paths to include in the result. This is a convenience method for

            }
        };

        // Test initial state
        assertEquals(0L, callback.getDocumentSize());
        assertEquals(0L, callback.getExecuteTime());

        // Test store method
        DataStoreParams params = new DataStoreParams();
        Map<String, Object> data = new HashMap<>();
        data.put("key1", "value1");
        callback.store(params, data);

        // Should throw exception when buffer is too small
        assertThrows(IllegalStateException.class, () -> hmac.engineDigest(buffer, 0, 10));
    }

    @Test
    void testClone() {
        // Test clone() method
        HMACT64 originalHmac = new HMACT64(TEST_KEY);
        originalHmac.engineUpdate(TEST_DATA, 0, TEST_DATA.length / 2);

        HMACT64 clonedHmac = (HMACT64) originalHmac.clone();