*/
    private static final String WEB_API_EXCEPTION = "webApiException";

    /**
     * Private constructor to prevent instantiation.
     */
    private WebApiUtil() {
    }

    /**
     * Sets an object in the current request attributes.
     *
     * @param name The attribute name
     * @param value The attribute value
     */
    public static void setObject(final String name, final Object value) {

    }

    /**
     * Gets the sequence number.
     *
     * @return the sequence number
     */
    public long getSequenceNumber() {
        return sequenceNumber;
    }

    /**
     * Sets the sequence number.
     *
     * @param sequenceNumber the sequence number
     */
    public void setSequenceNumber(long sequenceNumber) {
        this.sequenceNumber = sequenceNumber;
    }

    /**

     *
     * @return the error description
     */
    public String getError() {
        return error != null ? error : "Error code: " + returnCode;
    }

    /**
     * Sets the error message.
     *
     * @param error the error message
     */
    public void setError(String error) {
        this.error = error;
    }

    /**
     * Gets the registration ID.
     *

    }

    /**
     * Gets the model being wrapped.
     *
     * @return The model or {@code null} if not set.
     */
    public Model getModel() {
        return model;
    }

    /**
     * Sets the model being wrapped.
     *
     * @param model The model, may be {@code null}.
     */
    public void setModel(Model model) {
        this.model = model;
    }

    /**

  public void testHashCode() {
    int expectedHashCode = 0;
    for (E element : getSampleElements()) {
      expectedHashCode += (element == null) ? 0 : element.hashCode();
    }
    assertEquals(
        "A Set's hashCode() should be the sum of those of its elements.",
        expectedHashCode,
        getSet().hashCode());
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)

    public boolean isIncludeAware() {
        return includeAware;
    }

    /**
     * Sets the includeAware.
     *
     * @param includeAware the includeAware to set
     */
    public void setIncludeAware(final boolean includeAware) {
        this.includeAware = includeAware;
    }

    /**
     * Sets the cache duration.
     * @param cacheDuration The cache duration in minutes.
     */

        /**
         * Returns the label.
         *
         * @return The label.
         */
        public String getLabel() {
            return label;
        }

        /**
         * Sets the label.
         *
         * @param label The label.
         */
        public void setLabel(final String label) {
            this.label = label;
        }

        /**

  @Override
  NavigableSet<Integer> createUnfiltered(Iterable<Integer> contents) {
    return Sets.newTreeSet(contents);
  }

  @Override
  NavigableSet<Integer> filter(
      NavigableSet<Integer> elements, Predicate<? super Integer> predicate) {
    return Sets.filter(elements, predicate);
  }

     */
    public Method getMethod() {
        return method;
    }

    /**
     * Sets the HTTP method for this request.
     * @param method the HTTP method
     */
    public void setMethod(final Method method) {
        this.method = method;
    }

    /**
     * Sets the HTTP method for this request using a string value.
     * Defaults to GET if the method is not recognized.

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.Sets.newHashSet;

import com.google.common.base.Predicate;
import com.google.common.collect.FilteredCollectionsTestUtil.AbstractFilteredSetTest;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;