/**
   * Creates a new, empty instance of the class under test.
   *
   * @return a new, empty map instance.
   * @throws UnsupportedOperationException if it's not possible to make an empty instance of the
   *     class under test.
   */
  protected abstract Map<K, V> makeEmptyMap() throws UnsupportedOperationException;

  /**
   * Creates a new, non-empty instance of the class under test.
   *

        if (keyObj instanceof final UrlQueue<?> urlQueue) {
            return escapeValue(urlQueue.getUrl());
        }
        if (keyObj instanceof final StatsKeyObject statsKey) {
            return escapeValue(statsKey.getUrl());
        }
        if (keyObj instanceof final String key) {
            return escapeValue(key);
        }
        if (keyObj instanceof final Number key) {

     */
    Class<?> getValueClassOfMap(int index);

    /**
     * Returns an instance created by invoking the constructor.
     *
     * @param <T>
     *            The type of the Bean to be created
     * @param args
     *            The arguments for the constructor
     * @return An instance created by invoking the constructor
     */
    <T> T newInstance(Object... args);

            if (update && getResponse.isExists()) {
                final IndexRequestBuilder indexRequestBuilder = new IndexRequestBuilder(client, IndexAction.INSTANCE, index);
                indexRequestBuilder.setId(item.getId())
                        .setOpType(IndexRequest.OpType.INDEX)
                        .setSource(item.getUpdatedSource(getResponse.getSourceAsMap()));

 *
 * <p>However, when {@link CollectionSize.Require} is used to annotate a test it behaves normally
 * (i.e. it requires the collection instance under test to be a certain size for the test to run).
 * Note that this means a test should not require more than one CollectionSize, since a particular
 * collection instance can only be one size at once.
 *
 * @author George van den Driessche
 */

import java.util.Map;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**
 * A map, each entry of which maps a Java <a href="http://tinyurl.com/2cmwkz">raw type</a> to an
 * instance of that type. In addition to implementing {@code Map}, the additional type-safe
 * operations {@link #putInstance} and {@link #getInstance} are available.
 *

 *
 * <p>However, when {@link CollectionSize.Require} is used to annotate a test it behaves normally
 * (i.e. it requires the collection instance under test to be a certain size for the test to run).
 * Note that this means a test should not require more than one CollectionSize, since a particular
 * collection instance can only be one size at once.
 *
 * @author George van den Driessche
 */

    }

    /**
     * Builds the query for suggestions.
     * @param q The query string.
     * @param fields The fields to search in.
     * @return The QueryBuilder instance.
     */
    protected QueryBuilder buildQuery(final String q, final List<String> fields) {
        try {
            final QueryBuilder queryBuilder;
            if (Strings.isNullOrEmpty(q)) {

        // Act
        URLConnection conn = handler.openConnection(url);

        // Assert
        assertNotNull(conn);
        assertTrue(conn instanceof SmbFile, "Connection should be an instance of SmbFile");
        SmbFile file = (SmbFile) conn;
        assertEquals(url, file.getURL(), "Returned SmbFile should wrap the given URL");

	ttfbHist := prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Name:    "s3_ttfb_seconds",
			Help:    "Time taken by requests served by current MinIO server instance",
			Buckets: histBuckets,
		},
		[]string{"api"},
	)
	observations := []struct {
		val   float64
		label string
	}{
		{
			val:   0.02,
			label: labels[0],
		},
		{
			val:   0.07,