// Empty map
        assertEquals(0L, MemoryUtil.sizeOf(new HashMap<>()));

        // Map with null keys and values
        Map<String, String> mapWithNulls = new HashMap<>();
        mapWithNulls.put(null, null);
        assertEquals(0L, MemoryUtil.sizeOf(mapWithNulls));

        // Map with mixed content
        Map<Object, Object> mixedMap = new HashMap<>();
        mixedMap.put("key", "value");

import com.google.common.collect.Synchronized.SynchronizedSet;
import com.google.common.testing.SerializableTester;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**

    return Arrays.asList(
        new Object[][] {
          {new MapIteratorCache<String, String>(new HashMap<String, String>())},
          {new MapIteratorCache<String, String>(new TreeMap<String, String>(nullsLast))},
          {new MapRetrievalCache<String, String>(new HashMap<String, String>())},
          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

        Map<String, String> dockerEnv = new HashMap<>();
        dockerEnv.put("FESS_APP_TYPE", "docker");
        activityHelper.setEnvMap(dockerEnv);
        activityHelper.init();
        assertTrue(activityHelper.useEcsFormat);
    }

    @Test
    public void test_init_withNonDockerEnvironment() {
        Map<String, String> nonDockerEnv = new HashMap<>();
        nonDockerEnv.put("FESS_APP_TYPE", "standalone");

        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("queries", "query" + id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();
        updateMap.put("queries", "new_query");

    return Arrays.asList(
        new Object[][] {
          {new MapIteratorCache<String, String>(new HashMap<String, String>())},
          {new MapIteratorCache<String, String>(new TreeMap<String, String>(nullsLast))},
          {new MapRetrievalCache<String, String>(new HashMap<String, String>())},
          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

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

import java.util.HashMap;
import java.util.Map;

/**
 * Parameter container class for data store configurations and runtime parameters.
 * This class provides a convenient wrapper around a Map to store and retrieve

import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jspecify.annotations.Nullable;

/**
 * Implementation of {@code Multimap} that uses an {@code ArrayList} to store the values for a given
 * key. A {@link HashMap} associates each key with an {@link ArrayList} of values.
 *

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.helper;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.codelibs.core.io.FileUtil;
import org.codelibs.core.misc.DynamicProperties;