// `key` was in the cache, so it's a K.
      // (Or it's a weird case like a LinkedList in a Cache<ArrayList, ...>, but *shrug*.)
      @SuppressWarnings("unchecked")
      K castKey = (K) key;
      @SuppressWarnings("unchecked") // similar to the above
      V castValue = (V) value;

      alertListenerIfPresent(castKey, castValue, RemovalCause.EXPLICIT);
      remove(key);
      return true;
    }

      @SuppressWarnings({"rawtypes", "unchecked"})
      Entry<Object, V>[] entries = new Entry[size];
      for (int i = 0; i < size; i++) {
        // requireNonNull is safe because the first `2*size` elements have been filled in.
        Object key = requireNonNull(alternatingKeysAndValues[2 * i]);
        @SuppressWarnings("unchecked")
        V value = (V) requireNonNull(alternatingKeysAndValues[2 * i + 1]);

                require(diagnostic is DiagnosticWithParameters1<*, *>)
                @Suppress("UNCHECKED_CAST")
                diagnostic.a as Collection<ResolvedCall<*>>
            }
            in diagnosticWithResolvedCallsAtPosition2 -> {
                require(diagnostic is DiagnosticWithParameters2<*, *, *>)
                @Suppress("UNCHECKED_CAST")
                diagnostic.b as Collection<ResolvedCall<*>>
            }

    Class<? super T> rawType = type.getRawType();
    @SuppressWarnings("unchecked") // Assume all default values are generics safe.
    T defaultValue = (T) defaultValues.getInstance(rawType);
    if (defaultValue != null) {
      return defaultValue;
    }
    @SuppressWarnings("unchecked") // ArbitraryInstances always returns generics-safe dummies.
    T value = (T) ArbitraryInstances.get(rawType);

          assertEquals(Ordering.natural().max(filtered), first);
        } catch (NoSuchElementException e) {
          assertTrue(filtered.isEmpty());
        }
      }
    }

    @SuppressWarnings("unchecked")
    public void testHeadSet() {
      for (List<Integer> contents : SAMPLE_INPUTS) {
        for (int i = 0; i < 10; i++) {
          assertEquals(

  }

  private final class AsMapOfRanges extends IteratorBasedAbstractMap<Range<K>, V> {

    final Iterable<Entry<Range<K>, V>> entryIterable;

    @SuppressWarnings("unchecked") // it's safe to upcast iterables
    AsMapOfRanges(Iterable<RangeMapEntry<K, V>> entryIterable) {
      this.entryIterable = (Iterable) entryIterable;
    }

    @Override

    @Test
    public void testPluginArtifactsExpressionReference() throws Exception {
        Session session = newSession();
        MojoExecution exec = newMojoExecution(session);

        @SuppressWarnings("unchecked")
        Collection<Artifact> depResults = (Collection<Artifact>)
                new PluginParameterExpressionEvaluatorV4(session, null, exec).evaluate("${mojo.plugin.dependencies}");

  }

  // SPI methods (what subclasses must implement)

  /**
   * Returns a representation of {@code a} as an instance of type {@code B}. If {@code a} cannot be
   * converted, an unchecked exception (such as {@link IllegalArgumentException}) should be thrown.
   *
   * @param a the instance to convert; will never be null
   * @return the converted instance; <b>must not</b> be null
   */
  @ForOverride

   *
   * <p><b>Discouraged:</b> Prefer using a lambda like {@code v -> v}, which is shorter and often
   * more readable.
   */
  // implementation is "fully variant"; E has become a "pass-through" type
  @SuppressWarnings("unchecked")
  public static <E extends @Nullable Object> Function<E, E> identity() {
    return (Function<E, E>) IdentityFunction.INSTANCE;
  }

  // enum singleton pattern

        }
        return authUrl;

    }

    protected void storeStateInSession(final HttpSession session, final String state, final String nonce) {
        @SuppressWarnings("unchecked")
        Map<String, StateData> stateMap = (Map<String, StateData>) session.getAttribute(STATES);
        if (stateMap == null) {
            stateMap = new HashMap<>();
            session.setAttribute(STATES, stateMap);