void lookup_returns_empty_for_unknown_codes(int unknownCode) {
        // Invalid inputs: codes not present should yield no message
        // Guard to ensure test remains valid if constants change in future
        for (int c : WinError.WINERR_CODES) {
            assertNotEquals(unknownCode, c, "Chosen unknown code unexpectedly clashes with a known code");
        }
        assertTrue(lookupMessage(unknownCode).isEmpty());

import com.google.common.collect.testing.NavigableSetTestSuiteBuilder;
import com.google.common.collect.testing.TestStringSetGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.google.MultisetFeature;
import com.google.common.collect.testing.google.SortedMultisetTestSuiteBuilder;

import com.google.common.collect.testing.TestStringSortedMapGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.collect.testing.google.BiMapTestSuiteBuilder;
import com.google.common.collect.testing.google.TestStringBiMapGenerator;

    public AdminClient admin() {
        return client.admin();
    }

    /**
     * Indexes a document asynchronously.
     *
     * @param request the index request
     * @return a future for the index response
     */
    @Override
    public ActionFuture<IndexResponse> index(final IndexRequest request) {
        return client.index(request);
    }

    /**

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.google.MultisetTestSuiteBuilder;
import com.google.common.collect.testing.google.SortedMultisetTestSuiteBuilder;

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.collect.testing.features.CollectionFeature;
import java.util.Collections;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestResult;

/**
 * @author Max Ross
 */

 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.features.CollectionSize;
import java.util.Collection;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**

Once the response has been received, the connection will be returned to the pool so it can be reused for a future request. Connections are evicted from the pool after a period of inactivity.

### [Fast Fallback](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-ok-http-client/-builder/fast-fallback/)

    assertFalse(Ascii.equalsIgnoreCase("[", "{"));
  }

  @GwtIncompatible // String.toUpperCase() has browser semantics
  public void testEqualsIgnoreCaseUnicodeEquivalence() {
    // Note that it's possible in future that the JDK's idea to toUpperCase() or equalsIgnoreCase()
    // may change and break assumptions in this test [*]. This is not a bug in the implementation of

import com.google.common.collect.testing.TestStringSortedMapGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.testing.SerializableTester;
import java.util.Collections;
import java.util.Comparator;
import java.util.Map;