// Enable all javadoc warnings, except for:
        // - missing: Classes and methods are not required to have javadoc
        // - reference: We allow references to classes that are not part of the compilation
        addBooleanOption("Xdoclint:all,-missing,-reference", true)

        // Add support for custom tags
        tags("apiNote:a:API Note:", "implSpec:a:Implementation Requirements:", "implNote:a:Implementation Note:")

    super(ImmutableMap.of(), 0, null);
  }

  /*
   * TODO(b/242884182): Figure out why this helps produce the same class file when we compile most
   * of common.collect a second time with the results of the first compilation on the classpath. Or
   * just back this out once we stop doing that (which we'll do after our internal GWT setup
   * changes).
   */
  @Override
  public ImmutableMap<Object, Collection<Object>> asMap() {

import java.lang.ref.WeakReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests of basic {@link LoadingCache} operations with all possible combinations of key & value
 * strengths.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheReferencesTest extends TestCase {

  private static final CacheLoader<Key, String> KEY_TO_STRING_LOADER =

Así que la función debajo se ejecutará una vez por cada combinación de argumentos. Y luego, los valores devueltos por cada una de esas combinaciones de argumentos se utilizarán una y otra vez cada vez que la función sea llamada con exactamente la misma combinación de argumentos.

Por ejemplo, si tienes una función:

```Python
@lru_cache

 * <p>
 * This interface allows plugins and extensions to define and register additional path scopes
 * beyond the standard ones provided by Maven. Path scopes define how dependencies are used
 * in different contexts, such as compilation, testing, or runtime.
 * <p>
 * Implementations of this interface will be discovered through the Java ServiceLoader mechanism
 * and their provided path scopes will be available throughout the Maven build process.
 * <p>

 *
 * @since 4.0.0
 */
@Experimental
public enum CacheRetention {
    /**
     * Data should be persisted across Maven invocations.
     * Suitable for:
     * - Dependency resolution results
     * - Compilation outputs
     * - Downloaded artifacts
     */
    PERSISTENT,

    /**
     * Data should be retained for the duration of the current Maven session.
     * Suitable for:
     * - Build-wide configuration

    assertThat(frameLog(true, 3, 10000, TYPE_DATA, 0x20))
      .isEqualTo("<< 0x00000003 10000 DATA          COMPRESSED")
  }

  /**
   * Ensures that valid flag combinations appear visually correct, and invalid show in hex.  This
   * also demonstrates how sparse the lookup table is.
   */
  @Test
  fun allFormattedFlagsWithValidBits() {

import java.lang.ref.WeakReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests of basic {@link LoadingCache} operations with all possible combinations of key & value
 * strengths.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheReferencesTest extends TestCase {

  private static final CacheLoader<Key, String> KEY_TO_STRING_LOADER =

    if (!parentBuilder.getFeatures().contains(NoRecurse.DESCENDING)) {
      derivedSuites.add(createDescendingSuite(parentBuilder));
    }

    if (!parentBuilder.getFeatures().contains(NoRecurse.SUBMAP)) {
      // Other combinations are inherited from SortedMapTestSuiteBuilder.
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.NO_BOUND, Bound.INCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));

          parentBuilder) {
    List<TestSuite> derivedSuites = new ArrayList<>(super.createDerivedSuites(parentBuilder));

    if (!parentBuilder.getFeatures().contains(SUBSET_VIEW)) {
      // Other combinations are inherited from SortedSetTestSuiteBuilder.
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.NO_BOUND, Bound.INCLUSIVE));
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));