import java.lang.ref.WeakReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests of basic {@link LoadingCache} operations with all possible combinations of key & value
 * strengths.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheReferencesTest extends TestCase {

  private static final CacheLoader<Key, String> KEY_TO_STRING_LOADER =
      new CacheLoader<Key, String>() {

    Integer[] codePoints = utf8Lengths.keySet().toArray(new Integer[] {});
    StringBuilder sb = new StringBuilder();
    Random rnd = new Random();
    for (int trial = 0; trial < 100; trial++) {
      sb.setLength(0);
      int utf8Length = 0;
      for (int i = 0; i < 6; i++) {
        Integer randomCodePoint = codePoints[rnd.nextInt(codePoints.length)];
        sb.appendCodePoint(randomCodePoint);

            userAgent = textBuf.toString().trim();
        }
        tagQueue.pollLast();
        textBuf.setLength(0);
    }

    /**
     * SAX event handler called to process character data between XML elements.
     * Accumulates text content in a buffer for later processing when the element ends.
     *

            regexQueries[i] = Pattern.quote(queries[i]);
            hlQueries[i] = highlightTagPre + queries[i] + highlightTagPost;
        }
        while (m.find()) {
            segBuf.setLength(0);
            m.appendReplacement(segBuf, StringUtil.EMPTY);
            String segment = segBuf.toString();
            for (int i = 0; i < queries.length; i++) {

        try {
            response.setContentType("application/x-ndjson; charset=UTF-8");
            final long count = searchHelper.scrollSearch(params, doc -> {
                buf.setLength(0);
                buf.append('{');
                boolean first2 = true;
                for (final Map.Entry<String, Object> entry : doc.entrySet()) {
                    final String name = entry.getKey();