* from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    Properties getSystemProperties();

    /**
     * Sets the system properties to use for interpolation and profile activation. The system properties are collected

import static com.google.common.cache.LocalCache.Strength.STRONG;
import static com.google.common.collect.Maps.immutableEntry;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.cache.LocalCache.Strength;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import java.lang.ref.WeakReference;
import junit.framework.TestCase;

    List<String> getGoals();

    // Properties

    /**
     * Sets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @param systemProperties The system properties, may be {@code null}.

     */
    @Nonnull
    Optional<List<CoreExtensions>> coreExtensions();

    /**
     * Returns detected CI system, if any.
     *
     * @return an {@link Optional} containing the {@link CIInfo} collected from CI system. or empty if CI not
     * detected.
     */
    @Nonnull
    Optional<CIInfo> ciInfo();

    /**
     * Returns the options associated with this invocation request.
     *

// to its data
type ResourceMetrics map[string]ResourceMetric

// ResourceMetric represents a single resource metric
// The metrics are collected from all servers periodically
// and stored in the resource metrics map.
// It also maintains the count of number of times this metric
// was collected since the server started, and the sum,
// average and max values across the same.
type ResourceMetric struct {
	Name   MetricName

   *
   * <p>Weak values will be garbage collected once they are weakly reachable. This makes them a poor
   * candidate for caching; consider {@link #softValues} instead.
   *
   * <p><b>Note:</b> when this method is used, the resulting cache will use identity ({@code ==})
   * comparison to determine equality of values.
   *
   * <p>Entries with values that have been garbage collected may be counted in {@link Cache#size},

     *
     * @return The filter used to determine which of the artifacts should have their files resolved or {@code null} to
     *         resolve the files for all collected artifacts.
     */
    public ArtifactFilter getResolutionFilter() {
        return resolutionFilter;
    }

    public ArtifactResolutionRequest setResolutionFilter(ArtifactFilter filter) {

 */
@Deprecated(since = "4.0.0")
public class ReflectionValueExtractor {
    private static final Object[] OBJECT_ARGS = new Object[0];

    /**
     * Use a WeakHashMap here, so the keys (Class objects) can be garbage collected.
     * This approach prevents permgen space overflows due to retention of discarded
     * classloaders.
     */
    private static final Map<Class<?>, WeakReference<ClassMap>> CLASS_MAPS = new WeakHashMap<>();

    val cs = forJavaName("FakeCipherSuite_instancesAreInterned")
    System.gc() // Unless cs references the String instance, it may now be garbage collected.
    assertThat(forJavaName(java.lang.String(cs.javaName) as String))
      .isSameInstanceAs(cs)
  }

  @Test
  fun equals() {
    assertThat(forJavaName("cipher")).isEqualTo(forJavaName("cipher"))

    @DisplayName("Test leak detection for unclosed resources")
    @Timeout(value = 5, unit = TimeUnit.SECONDS)
    void testLeakDetection() throws InterruptedException {
        // Create resource that will be garbage collected without closing
        createLeakyResource();

        // Force garbage collection
        System.gc();
        Thread.sleep(200);

        // Check for leaks
        resourceManager.checkForLeaks();