List<P> problems = getProblems(s);
                    while (!problems.isEmpty()) {
                        try {
                            return problems.remove(0) != null;
                        } catch (IndexOutOfBoundsException e) {
                            // empty, continue
                        }
                    }
                }
            }

            assertEquals("xxx", systemHelper.getHostname());
        } finally {
            envMap.remove("COMPUTERNAME");
        }
        try {
            envMap.put("HOSTNAME", "yyy");
            assertEquals("yyy", systemHelper.getHostname());
        } finally {
            envMap.remove("HOSTNAME");
        }
    }

    public void test_isEoled() {

        assertEquals(1, dataMap.size());
        assertEquals("X1", dataMap.get("x"));
    }

    /** Case 3: Only overwrite key (baseKey not set) → generate baseKey, remove overwrite key */
    public void test_mergeResponseData_overwriteOnly() {
        Map<String, Object> dataMap = new HashMap<>();
        Map<String, Object> responseDataMap = new HashMap<>();

      return standardContainsValue(value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      standardPutAll(map);
    }

    @Override
    public @Nullable V remove(Object object) {
      return standardRemove(object);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

    @Override

        // Simulate multiple failures
        for (int i = 0; i < 5; i++) {
            failover.handleFailure(failedChannel, error);
        }

        // Should eventually remove the channel
        verify(mockChannelManager, atLeast(1)).removeChannel(failedChannel);
        verify(mockChannelManager, atLeast(1)).establishReplacementChannel();
    }

    @Test
    void testShutdown() {

        NetworkInterfaceInfo remoteInterface = new NetworkInterfaceInfo(addr, 1000);
        ChannelInfo channel = new ChannelInfo("test-channel", mockTransport, localInterface, remoteInterface);

        // Remove should not throw exception even if channel doesn't exist
        assertDoesNotThrow(() -> channelManager.removeChannel(channel));
    }

    @Test
    void testShutdown() {

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## Scope

 * properties detailed at {@link ImmutableCollection}.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@Immutable(containerOf = "B")
@GwtIncompatible
// TODO(b/278589132): Remove the redundant "@NonNull" on B once it's no longer required by J2KT.
public final class ImmutableClassToInstanceMap<B>
    extends ForwardingMap<Class<? extends @NonNull B>, B>
    implements ClassToInstanceMap<B>, Serializable {

            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchDelete(new BulkList<>(list, call, entityCall), null);
    }

    // #pending create, modify, remove

            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchDelete(new BulkList<>(list, call, entityCall), null);
    }

    // #pending create, modify, remove