ArgumentCaptor<String> msgCap = ArgumentCaptor.forClass(String.class);
        verify(handler, atLeastOnce()).handle(codeCap.capture(), msgCap.capture());

        // Assert at least one captured pair is a known mapping (happy path spot check)
        assertTrue(codeCap.getAllValues().contains(WinError.ERROR_ACCESS_DENIED));
        int idx = codeCap.getAllValues().indexOf(WinError.ERROR_ACCESS_DENIED);

  @CollectionSize.Require(ZERO)
  public void testPutPresentKeyDifferentValue() {
    getMap().put(k0(), v0());
    getMap().put(k0(), v1());
    // verify that the bimap is changed, and that the old inverse mapping
    // from v1 -> v0 is deleted
    expectContents(mapEntry(k0(), v1()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(ZERO)
  public void putDistinctKeysDistinctValues() {

                String[] outputs;

                final List<String> sides = split(line, "=>");
                if (sides.size() > 1) { // explicit mapping
                    if (sides.size() != 2) {
                        throw new DictionaryException("more than one explicit mapping specified on the same line");
                    }
                    final List<String> inputStrings = split(sides.get(0), ",");

        HashMap<String, String> update = new HashMap<>();
        update.put(key, Long.toString(System.currentTimeMillis()));
        update.put(key + ERROR_KEY_SUFFIX, error); // error==null => remove mapping
        trackingFileManager.update(touchfile, update);
    }

    Date readLastUpdated(File touchfile, String key) {
        getLogger().debug("Searching for " + key + " in resolution tracking file.");

        void testResourceLoading() throws IOException {
            MimeMap map = new MimeMap();
            assertNotNull(map);
            // Verify it works by testing a known mapping
            assertEquals("application/pdf", map.getMimeType("pdf"));
        }
    }

    @Nested
    @DisplayName("Performance and concurrency")
    class PerformanceTests {

        @Test

import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import org.jspecify.annotations.Nullable;

/**
 * A mapping from disjoint nonempty ranges to non-null values. Queries look up the value associated
 * with the range (if any) that contains a specified key.
 *
 * <p>In contrast to {@link RangeSet}, no "coalescing" is done of {@linkplain

   * <p>Due to the property that values in a BiMap are unique, this will tend to execute in
   * faster-than-linear time.
   *
   * @param value the object to search for in the values of this BiMap
   * @return true if a mapping exists from a key to the specified value
   */
  @Override
  public boolean containsValue(@Nullable Object value) {
    return findEntryByValue(value) != ABSENT;
  }

  @Override

  /**
   * An alternate form of {@code put} that silently removes any existing entry with the value {@code
   * value} before proceeding with the {@link #put} operation. If the bimap previously contained the
   * provided key-value mapping, this method has no effect.
   *
   * <p>Note that a successful call to this method could cause the size of the bimap to increase by
   * one, stay the same, or even decrease by one.
   *

        final Map<String, String> mapping = getQueryLanguageMappingMap();
        return stream(langs).get(stream -> stream.map(s -> {
            if (StringUtil.isBlank(s)) {
                return null;
            }
            final String lang1 = mapping.get(s);
            if (lang1 != null) {
                return lang1;
            }
            return mapping.get(s.split("[\\-_]")[0]);

                    appendJson("search-field", searchFieldMap, buf).append(',');
                    final Map<String, List<String>> requestHeaderMap = entity.getRequestHeaderList()
                            .stream()
                            .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));