//     metadata:
//       - key: "content-type"
//         value: "image/*" # match objects with 'content-type', with all values starting with 'image/'
//     kmskey: "key-id" # match objects with KMS key-id (applicable only for sse-kms)
//   notify:
//     endpoint: "https://notify.endpoint" # notification endpoint to receive job status events

      Collection<V> collection = null;
      while (asMapItr.hasNext()) {
        Entry<K, Collection<V>> asMapEntry = asMapItr.next();
        if (key.equals(asMapEntry.getKey())) {
          collection = asMapEntry.getValue();
          break;
        }
      }
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

      Collection<V> collection = null;
      while (asMapItr.hasNext()) {
        Entry<K, Collection<V>> asMapEntry = asMapItr.next();
        if (key.equals(asMapEntry.getKey())) {
          collection = asMapEntry.getValue();
          break;
        }
      }
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

        if (mavenOptions.userProperties().isPresent()) {
            for (Map.Entry<String, String> entry :
                    mavenOptions.userProperties().get().entrySet()) {
                cmdAndArguments.add("-D" + entry.getKey() + "=" + entry.getValue());
            }
        }
        if (mavenOptions.showVersionAndExit().orElse(false)) {
            cmdAndArguments.add("--version");
        }

    Object one = new Object();
    assertSame(one, cache.getUnchecked(one));
    assertTrue(segment.recencyQueue.isEmpty());
    assertSame(one, map.get(one));
    assertSame(one, segment.recencyQueue.peek().getKey());
    assertSame(one, cache.getUnchecked(one));
    assertFalse(segment.recencyQueue.isEmpty());
  }

  public void testRecursiveComputation() throws InterruptedException {

    Object one = new Object();
    assertSame(one, cache.getUnchecked(one));
    assertTrue(segment.recencyQueue.isEmpty());
    assertSame(one, map.get(one));
    assertSame(one, segment.recencyQueue.peek().getKey());
    assertSame(one, cache.getUnchecked(one));
    assertFalse(segment.recencyQueue.isEmpty());
  }

  public void testRecursiveComputation() throws InterruptedException {

```

////

//// tab | Python 3.8+

```Python hl_lines="14"
{!> ../../docs_src/body_nested_models/tutorial002.py!}
```

////

## Set-Typen

Aber dann denken wir darüber nach und stellen fest, dass sich die Tags nicht wiederholen sollen, es sollen eindeutige Strings sein.

Python hat einen Datentyp speziell für Mengen eindeutiger Dinge: das <abbr title="Menge">`set`</abbr>.

    // with MD5 or 512-bit RSA; that's insecure!
    //
    // openssl req \
    //   -x509 \
    //   -md5 \
    //   -nodes \
    //   -days 1 \
    //   -newkey rsa:512 \
    //   -keyout privateKey.key \
    //   -out certificate.crt
    val certificatePem =
      """
      |-----BEGIN CERTIFICATE-----
      |MIIBFzCBwgIJAIVAqagcVN7/MA0GCSqGSIb3DQEBBAUAMBMxETAPBgNVBAMMCGNh

        for ( Entry<String, CIFSContext> ctx : CONTEXT_CACHE.entrySet() ) {
            if ( ctx.getValue().close() ) {
                log.error("Context was still in use " + ctx.getKey());
            }
        }
    }


    static CIFSContext getCachedContext ( String context, Properties props ) throws CIFSException {
        CIFSContext cached = CONTEXT_CACHE.get(context);

import java.io.IOException;
import java.util.List;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@link Closer}.
 *
 * @author Colin Decker
 */
public class CloserTest extends TestCase {

  private TestSuppressor suppressor;

  @Override
  protected void setUp() throws Exception {
    suppressor = new TestSuppressor();
  }