}

  /**
   * Returns a serializable {@code Converter} that converts strings from this format to {@code
   * targetFormat}.
   *
   * @since 16.0
   */
  public Converter<String, String> converterTo(CaseFormat targetFormat) {
    return new StringConverter(this, targetFormat);
  }

  private static final class StringConverter extends Converter<String, String>
      implements Serializable {

  }

  /**
   * Returns a serializable {@code Converter} that converts strings from this format to {@code
   * targetFormat}.
   *
   * @since 16.0
   */
  public Converter<String, String> converterTo(CaseFormat targetFormat) {
    return new StringConverter(this, targetFormat);
  }

  private static final class StringConverter extends Converter<String, String>
      implements Serializable {

            // Use the outputs of this converter as inputs for the next converter
            currentInputs = nextInputs;
        }

        return new ArrayList<>(resultSet);
    }

    /**
     * Adds a converter to the chain.
     * @param converter The converter to add.
     */
    public void addConverter(final ReadingConverter converter) {
        converters.add(converter);
    }

import org.apache.lucene.search.TermQuery;
import org.codelibs.core.CoreLibConstants;
import org.codelibs.fess.suggest.converter.AnalyzerConverter;
import org.codelibs.fess.suggest.converter.KatakanaToAlphabetConverter;
import org.codelibs.fess.suggest.converter.ReadingConverter;
import org.codelibs.fess.suggest.converter.ReadingConverterChain;
import org.codelibs.fess.suggest.entity.SuggestItem;

                indexName, getSearchAlias(index), getUpdateAlias(index));
}
```

**Exception Handling:**
```java
try {
    converter.init();
} catch (Exception e) {
    throw new SuggesterException("Failed to initialize converter: "
                                + converter.getClass().getName(), e);
}
```

**Resource Management:**
```java
try (InputStream is = getClass().getClassLoader()

 */
package org.codelibs.fess.suggest.converter;

import java.util.List;

import junit.framework.TestCase;

public class KatakanaToAlphabetConverterTest extends TestCase {

    private KatakanaToAlphabetConverter converter;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        converter = new KatakanaToAlphabetConverter();
        converter.init();
    }

        final ReadingConverter converter;
        if (langs == null || langs.length == 0) {
            converter = new LangAnalyzerConverter(null);
        } else {
            final ReadingConverterChain chain = new ReadingConverterChain();
            for (final String lang : langs) {
                chain.addConverter(new LangAnalyzerConverter(lang));
            }
            converter = chain;
        }

    }

    /**
     * Sets the reading converter.
     * @param readingConverter The reading converter.
     * @return This builder instance.
     */
    public SuggesterBuilder readingConverter(final ReadingConverter readingConverter) {
        this.readingConverter = readingConverter;
        return this;
    }

    /**
     * Sets the contents reading converter.

 */
package org.codelibs.fess.suggest;

import static org.codelibs.opensearch.runner.OpenSearchRunner.newConfigs;

import java.io.IOException;
import java.util.List;

import org.codelibs.fess.suggest.converter.ReadingConverter;
import org.codelibs.fess.suggest.normalizer.Normalizer;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.opensearch.runner.OpenSearchRunner;

    Converter<String, Short> converter = Shorts.stringConverter();
    assertThat(converter.convert("1")).isEqualTo(1);
    assertThat(converter.convert("0")).isEqualTo(0);
    assertThat(converter.convert("-1")).isEqualTo(-1);
    assertThat(converter.convert("0xff")).isEqualTo(255);
    assertThat(converter.convert("0xFF")).isEqualTo(255);
    assertThat(converter.convert("-0xFF")).isEqualTo(-255);