// Should return empty array when plugin directory doesn't exist
        assertEquals(0, pluginFiles.length);
    }

    public void test_getPluginJarFiles_withFilter() {
        FilenameFilter filter = (dir, name) -> name.endsWith(".jar");
        File[] pluginFiles = ResourceUtil.getPluginJarFiles(filter);
        assertNotNull(pluginFiles);
        // Should return empty array when plugin directory doesn't exist

import com.google.common.hash.HashTestUtils.RandomHasherAction;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for AbstractStreamingHasher.
 *

     *
     * @return array of default client invoke names
     */
    @Override
    public String[] assistClientInvokeNames() {
        return DEFAULT_CLIENT_INVOKE_NAMES;
    }

    /**
     * Assists bypass invoke names for DBFlute behavior invocation.
     *
     * @return array of default bypass invoke names
     */
    @Override

    int ERROR_NO_BROWSER_SERVERS_FOUND = 6118;

    /** Array of Windows error codes */
    int[] WINERR_CODES = { ERROR_SUCCESS, ERROR_ACCESS_DENIED, ERROR_REQ_NOT_ACCEP, ERROR_BAD_PIPE, ERROR_PIPE_BUSY, ERROR_NO_DATA,
            ERROR_PIPE_NOT_CONNECTED, ERROR_MORE_DATA, ERROR_SERVICE_NOT_INSTALLED, ERROR_NO_BROWSER_SERVERS_FOUND, };

    /** Array of Windows error messages corresponding to WINERR_CODES */

    int ERROR_NO_BROWSER_SERVERS_FOUND = 6118;

    /** Array of Windows error codes */
    int[] WINERR_CODES = { ERROR_SUCCESS, ERROR_ACCESS_DENIED, ERROR_REQ_NOT_ACCEP, ERROR_BAD_PIPE, ERROR_PIPE_BUSY, ERROR_NO_DATA,
            ERROR_PIPE_NOT_CONNECTED, ERROR_MORE_DATA, ERROR_NO_BROWSER_SERVERS_FOUND, };

    /** Array of Windows error messages corresponding to WINERR_CODES */

 * limitations under the License.
 */

package com.google.common.collect.testing.testers;

import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.AbstractCollectionTester;
import com.google.common.collect.testing.Helpers;

 * limitations under the License.
 */

package com.google.common.collect.testing.testers;

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.features.CollectionSize;
import org.junit.Ignore;

/**

import javax.xml.stream.XMLStreamException;

import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import org.apache.maven.model.Model;
import org.apache.maven.model.v4.MavenStaxReader;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.config.exentity;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
import java.util.regex.Pattern;

      return standardRetainAll(collection);
    }

    @Override
    public Object[] toArray() {
      return standardToArray();
    }

    @Override
    public <T> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }

    @Override
    public boolean equals(@Nullable Object object) {