DataStoreException withNPE = new DataStoreException("NPE Error", new NullPointerException("Null value"));
        DataStoreException withCustom = new DataStoreException("Custom Error", new FessSystemException("System error"));

        assertTrue(withIOException.getCause() instanceof java.io.IOException);

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.EnumMap;
import java.util.Map;

/**
 * A {@code BiMap} backed by two {@code EnumMap} instances. Null keys and values are not permitted.

import com.google.common.collect.MultimapBuilder.MultimapBuilderWithKeys;
import com.google.common.collect.MultimapBuilder.SortedSetMultimapBuilder;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.RoundingMode;
import java.util.SortedMap;
import java.util.SortedSet;
import junit.framework.TestCase;

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

import java.io.IOException;
import java.io.PrintWriter;

import org.apache.commons.io.output.ByteArrayOutputStream;

import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpServletResponseWrapper;

/**

 */
package org.codelibs.core.io;

import static org.codelibs.core.io.CopyUtil.copy;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.URL;

 * limitations under the License.
 */

package com.google.common.io;

import static org.junit.Assert.assertThrows;

import com.google.common.testing.NullPointerTester;
import com.google.common.testing.NullPointerTester.Visibility;
import java.io.File;
import java.io.FilenameFilter;
import java.util.regex.PatternSyntaxException;
import junit.framework.TestCase;

    }

    public void test_differentCauseTypes() {
        // Test with different types of causes
        StorageException exception1 = new StorageException("IO Error", new java.io.IOException("File not found"));
        assertTrue(exception1.getCause() instanceof java.io.IOException);

        StorageException exception2 = new StorageException("NPE", new NullPointerException("Null reference"));

import static java.nio.file.attribute.PosixFilePermission.OWNER_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;
import static org.junit.Assert.assertThrows;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

  integrity sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==
  dependencies:
    "@socket.io/component-emitter" "~3.1.0"
    debug "~4.3.1"

socket.io@^4.4.1:
  version "4.5.4"
  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-4.5.4.tgz#a4513f06e87451c17013b8d13fdfaf8da5a86a90"

 * the License.
 */

package com.google.common.io;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.io.DataOutput;
import java.io.IOException;

/**
 * An extension of {@code DataOutput} for writing to in-memory byte arrays; its methods offer