// Process phantom references to detect leaks
        Reference<?> ref;
        while ((ref = referenceQueue.poll()) != null) {
            handlePhantomReference(ref);
        }

        // Check for old unclosed resources
        long now = System.currentTimeMillis();
        for (ResourceHolder holder : activeResources.values()) {
            if (!holder.closed && holder.getAge() > maxResourceAge) {

* Show a **clear error** for the client when the data is not valid
* **Document** the parameter in the OpenAPI schema *path operation* (so it will show up in the **automatic docs UI**)

## Alternative (old): `Query` as the default value { #alternative-old-query-as-the-default-value }

    * `Body()`
    * `File()`
    * `Form()`

/// info

This old OpenAPI-specific `examples` parameter is now `openapi_examples` since FastAPI `0.103.0`.

///

### JSON Schema's `examples` field { #json-schemas-examples-field }

/**
 * Job for purging expired thumbnail files from the system.
 * This job removes thumbnail files that have exceeded their configured expiration time
 * to prevent disk space from being consumed by old thumbnails.
 */
public class PurgeThumbnailJob {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(PurgeThumbnailJob.class);

    /**

/**
 * Tests for {@link DoubleUtils}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class DoubleUtilsTest extends TestCase {
  @AndroidIncompatible // no FpUtils and no Math.nextDown in old versions
  public void testNextDown() throws Exception {
    Method jdkNextDown = getJdkNextDown();
    for (double d : FINITE_DOUBLE_CANDIDATES) {
      assertEquals(jdkNextDown.invoke(null, d), DoubleUtils.nextDown(d));
    }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
          val parameters = sslSocket.sslParameters
          val sni = parameters.serverNames
          Log.d("CustomSSLSocketFactory", "old SNI: $sni")
          parameters.serverNames = mutableListOf<SNIServerName>(SNIHostName("cloudflare-dns.com"))
          sslSocket.sslParameters = parameters
        }

        return sslSocket
      }
    }

 */
// These benchmarks allocate a lot of data so use a large heap
@VmOptions({"-Xms12g", "-Xmx12g", "-d64"})
@NullUnmarked
public class CharStreamsCopyBenchmark {
  enum CopyStrategy {
    OLD {
      @Override
      long copy(Readable from, Appendable to) throws IOException {
        CharBuffer buf = CharStreams.createBuffer();
        long total = 0;
        while (from.read(buf) != -1) {

        String template = "${greeting} ${name}, you are ${age} years old";
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("greeting", "Hello");
        paramMap.put("name", "Alice");
        paramMap.put("age", 25);

        Object result = scriptEngine.evaluate(template, paramMap);
        assertEquals("Hello Alice, you are 25 years old", result);
    }

    // Test evaluate method with missing parameter

   */
  fun closeConnections(now: Long): Long {
    // Compute the concurrent call capacity for each address. We won't close a connection if doing
    // so would violate a policy, unless it's OLD.
    val addressStates = this.addressStates
    for (state in addressStates.values) {
      state.concurrentCallCapacity = 0
    }
    for (connection in connections) {

  public void testSetValue_valueAbsent() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      if (entry.getKey().equals(k0())) {
        assertEquals("entry.setValue() should return the old value", v0(), entry.setValue(v3()));
      }
    }
    expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(SEVERAL)
  public void testSetValue_valuePresent() {