// Text with commas
        input = "text,with,commas";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"text,with,commas\"", result);

        // Text with both quotes and commas
        input = "text \"with\" quotes, and commas";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"text \"\"with\"\" quotes, and commas\"", result);
    }

 *
 * This class tracks header values line-by-line. A field with multiple comma- separated values on
 * the same line will be treated as a field with a single value by this class. It is the caller's
 * responsibility to detect and split on commas if their field permits multiple values. This
 * simplifies use of single-valued fields whose values routinely contain commas, such as cookies or
 * dates.
 *

     */
    @Size(max = 10000)
    public String purgeByBots;

    /**
     * Email addresses to receive system notifications.
     * Multiple addresses can be specified, separated by commas.
     */
    @Size(max = 1000)
    public String notificationTo;

    /**
     * Enable or disable search suggestions based on search logs.
     * When enabled, suggestions are generated from previous searches.

        // Test whitespace only
        tags = PrunedTag.parse("   ");
        assertEquals(0, tags.length);

        // Test commas only
        tags = PrunedTag.parse(",,,");
        assertEquals(0, tags.length);

        // Test mixed whitespace and commas
        tags = PrunedTag.parse(" , , , ");
        assertEquals(0, tags.length);
    }

    public void test_parse_invalidFormats() {

    depends on JUnit, though it continues to work with all testing frameworks.
 *  Fix: `FormEncodingBuilder` is now consistent with browsers in which
    characters it escapes. Previously we weren’t percent-encoding commas,
    parens, and other characters.
 *  Fix: Relax `FormEncodingBuilder` to support building empty forms.
 *  Fix: Timeouts throw `SocketTimeoutException`, not `InterruptedIOException`.

    }

    /**
     * Executes an external command with the given parameters.
     * @param commands The command array to execute.
     * @param username The username parameter for the command.
     * @param password The password parameter for the command.
     * @return The exit code of the executed command.
     */
    protected int executeCommand(final String[] commands, final String username, final String password) {

CoreLib supports multiple logging frameworks. Configure your preferred logger:

```java
// Use with SLF4J (add slf4j-api dependency)
Logger logger = Logger.getLogger(MyClass.class);

// Use with Commons Logging (add commons-logging dependency)  
Logger logger = Logger.getLogger(MyClass.class);

// Use with Java Util Logging (built-in)
Logger logger = Logger.getLogger(MyClass.class.getName());
```

import jakarta.annotation.PostConstruct;

/**
 * Command-based thumbnail generator that executes external commands to create thumbnails.
 * Uses external tools through command execution to generate thumbnail images from documents.
 */
public class CommandGenerator extends BaseThumbnailGenerator {
    private static final Logger logger = LogManager.getLogger(CommandGenerator.class);

    /** List of command strings to execute for thumbnail generation. */

import com.google.common.base.Defaults;
import com.google.common.base.Equivalence;
import com.google.common.base.Joiner;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.base.Splitter;
import com.google.common.base.Stopwatch;
import com.google.common.base.Ticker;
import com.google.common.collect.BiMap;
import com.google.common.collect.ClassToInstanceMap;

 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.testing.TearDown;
import com.google.common.testing.TearDownStack;