this.authScope = authScope;
        this.credentials = credentials;
        this.authScheme = authScheme;
    }

    /**
     * Retrieves the authentication scope associated with this authentication.
     *
     * @return the {@link AuthScope} object representing the authentication scope.
     */
    public AuthScope getAuthScope() {
        return authScope;

        this.authScope = authScope;
        this.credentials = credentials;
        this.authScheme = authScheme;
    }

    /**
     * Retrieves the authentication scope associated with this authentication.
     *
     * @return the {@link AuthScope} object representing the authentication scope.
     */
    public AuthScope getAuthScope() {
        return authScope;

import org.opensearch.search.aggregations.metrics.PercentilesAggregationBuilder;
import org.opensearch.search.aggregations.metrics.ScriptedMetricAggregationBuilder;
import org.opensearch.search.aggregations.metrics.StatsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.SumAggregationBuilder;
import org.opensearch.search.aggregations.metrics.TopHitsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.ValueCountAggregationBuilder;

import org.opensearch.search.aggregations.metrics.PercentilesAggregationBuilder;
import org.opensearch.search.aggregations.metrics.ScriptedMetricAggregationBuilder;
import org.opensearch.search.aggregations.metrics.StatsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.SumAggregationBuilder;
import org.opensearch.search.aggregations.metrics.TopHitsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.ValueCountAggregationBuilder;

		return nil, err
	}
	entries, err := readDir(dirPath)
	if err != nil {
		if errors.Is(err, errFileAccessDenied) {
			return nil, errDiskAccessDenied
		} else if errors.Is(err, errFileNotFound) {
			return nil, errDiskNotFound
		}
		return nil, err
	}
	volsInfo := make([]VolInfo, 0, len(entries))
	for _, entry := range entries {

  public boolean removeAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        and(multimap.entryPredicate(), valuePredicateOnEntries(in(c))));
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        and(multimap.entryPredicate(), valuePredicateOnEntries(not(in(c)))));
  }

  @Override

        throw new UnsupportedOperationException("Cannot get available versions in this test case");
    }

    @Override
    public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
        return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
    }

  }

  private static final int ENDPOINT = -2;

  /**
   * Contains the link pointers corresponding with the entries, in the range of [0, size()). The
   * high 32 bits of each long is the "prev" pointer, whereas the low 32 bits is the "succ" pointer
   * (pointing to the next entry in the linked list). The pointers in [size(), entries.length) are
   * all "null" (UNSET).
   *

                throw new MalformedURLException("Always fails");
            }
        };

        // When all entries fail, iterator should be empty
        assertFalse(iterator.hasNext());
        assertNull(iterator.next());
    }

    @Test
    @DisplayName("Adapter returning null on all entries")
    void adapterReturnsNullOnAll() {
        // Setup
        FileEntry entry1 = mock(FileEntry.class);

                  @Override
                  protected SetMultimap<String, String> create(Entry<String, String>[] entries) {
                    SetMultimap<String, String> multimap = LinkedHashMultimap.create();
                    for (Entry<String, String> entry : entries) {
                      multimap.put(entry.getKey(), entry.getValue());
                    }
                    return multimap;