final Object obj = source.get(s);
            if (obj instanceof Number) {
                return false;
            }
            return !doubleValidator.isValid(obj.toString(), null);
        }).collect(Collectors.toList()));
    }

    default Map<String, Object> convertToEditableDoc(final Map<String, Object> source) {

    // it still should only have executed twice due to memoization
    assertEquals(2, countingSupplier.calls);
  }

  public void testOfInstanceSuppliesSameInstance() {
    Object toBeSupplied = new Object();
    Supplier<Object> objectSupplier = Suppliers.ofInstance(toBeSupplied);
    assertSame(toBeSupplied, objectSupplier.get());
    assertSame(toBeSupplied, objectSupplier.get()); // idempotent
  }

    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {
        Map<String, Object> sourceMap = new HashMap<>();
        if (configId != null) {
            addFieldToSource(sourceMap, "configId", configId);
        }
        if (errorCount != null) {

import java.util.List;
import org.jspecify.annotations.Nullable;

/** Aggregate future that collects (stores) results of each future. */
@GwtCompatible
abstract class CollectionFuture<V extends @Nullable Object, C extends @Nullable Object>
    extends AggregateFuture<V, C> {
  /*
   * We access this field racily but safely. For discussion of a similar situation, see the comments

 */
package org.apache.maven.api.services;

import org.apache.maven.api.ProtoSession;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

import static java.util.Objects.requireNonNull;

/**
 * Base class for requests.
 *
 * @since 4.0.0
 */
@Experimental
abstract class BaseRequest<S extends ProtoSession> implements Request<S> {

    private final S session;

## How to enable Fan-Out Uploads ?

    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override
    public Map<String, Object> extractAllColumnMap(Entity entity) {
        return null;

    suite.addTest(testsForTransform());
    suite.addTestSuite(Collections2Test.class);
    return suite;
  }

  static final Predicate<@Nullable String> NOT_YYY_ZZZ =
      input -> !Objects.equals(input, "yyy") && !Objects.equals(input, "zzz");

  static final Predicate<String> LENGTH_1 = input -> input.length() == 1;

  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders

@NullMarked
public class MultisetsImmutableEntryTest extends TestCase {
  private static final @Nullable String NE = null;

  private static <E extends @Nullable Object> Entry<E> entry(E element, int count) {
    return Multisets.immutableEntry(element, count);
  }

  private static <E extends @Nullable Object> Entry<E> control(E element, int count) {
    return HashMultiset.create(nCopies(count, element)).entrySet().iterator().next();
  }

            return Stream.of(Arguments.of((Object) null), Arguments.of((Object) new ASN1ObjectIdentifier[] {}),
                    Arguments.of((Object) new ASN1ObjectIdentifier[] { OID_KRB }),
                    Arguments.of((Object) new ASN1ObjectIdentifier[] { OID_NTLM }),
                    Arguments.of((Object) new ASN1ObjectIdentifier[] { OID_KRB_LEGACY }),
                    Arguments.of((Object) new ASN1ObjectIdentifier[] { OID_KRB, OID_NTLM }),