*     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")
  public static <T> Collector<T, ?, Optional<T>> toOptional() {
    return (Collector) TO_OPTIONAL;
  }

  private static final Object NULL_PLACEHOLDER = new Object();

  private static final Collector<@Nullable Object, ?, @Nullable Object> ONLY_ELEMENT =
      Collector.<@Nullable Object, ToOptionalState, @Nullable Object>of(

package com.google.common.io;

import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.io.BaseEncoding.base32;
import static com.google.common.io.BaseEncoding.base32Hex;
import static com.google.common.io.BaseEncoding.base64;
import static com.google.common.io.BaseEncoding.base64Url;
import static com.google.common.io.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.truth.Truth.assertThat;

    //                                                                          Definition
    //                                                                          ==========
    private static final long serialVersionUID = 1L;

    // ===================================================================================
    //                                                                           Attribute

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import static org.codelibs.core.stream.StreamUtil.split;

import java.io.FileInputStream;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.security.KeyStore;
import java.security.cert.Certificate;

    //                                                                          Definition
    //                                                                          ==========
    private static final long serialVersionUID = 1L;

    // ===================================================================================
    //                                                                           Attribute

        jobLog.setId("test-log-4");
        jobLog.setJobName("Test Job 4");

        MonitorTarget target = new MonitorTarget(jobLog);
        assertNotNull(target);
    }

    // Mock classes
    private static class MockJobLogBhv extends JobLogBhv {
        @Override
        public void insertOrUpdate(JobLog entity) {
            // Mock implementation that doesn't require client

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.beans.impl;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentArrayIndex;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Map;

    }

    /** The parameter for negative query. */
    public static final String AS_NQ = "nq";

    /** The parameter for OR query. */
    public static final String AS_OQ = "oq";

    /** The parameter for exact phrase query. */
    public static final String AS_EPQ = "epq";

    /** The parameter for query. */
    public static final String AS_Q = "q";

    /** The parameter for filetype. */

package jcifs.smb;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.never;

    private static final String NAME_PREFIX = "stemmerOvberrideTest_";
    private static final String API_PATH = "/api/admin/dict/stemmeroverride";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";
    private static final String DICT_TYPE = "stemmeroverride";

    private static final String KEY_PROPERTY = "input";

    @Override