queue.add(text);
        final List<String> convertedTexts = new ArrayList<>(getMaxReadingNum());
        convertedTexts.add(text);

        for (final ReadingConverter converter : converters) {
            String s;
            while ((s = queue.poll()) != null && convertedTexts.size() <= getMaxReadingNum()) {
                final List<String> results = converter.convert(s, field, lang);

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

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

public interface ReadingConverter {
    default int getMaxReadingNum() {
        return 10;
    }

    void init() throws IOException;

    List<String> convert(String text, final String field, String... langs) throws IOException;

                if (j == 0) {
                    for (final StringBuilder buf : bufList) {
                        buf.append(alphabets[j]);
                    }
                } else if (bufList.size() < getMaxReadingNum()) {
                    final List<StringBuilder> tmpBufList = deepCopyBufList(originBufList);
                    for (final StringBuilder buf : tmpBufList) {
                        buf.append(alphabets[j]);