stream.defaultReadObject();
      factory = (Supplier<? extends Collection<V>>) requireNonNull(stream.readObject());
      Map<K, Collection<V>> map = (Map<K, Collection<V>>) requireNonNull(stream.readObject());
      setMap(map);
    }

    @GwtIncompatible // java serialization not supported
    @J2ktIncompatible

import static com.google.common.collect.SortedLists.KeyPresentBehavior.ANY_PRESENT;
import static java.util.Collections.sort;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.SortedLists.KeyAbsentBehavior;

                  (SecureDirectoryStream<Path>) parent,
                  /*
                   * requireNonNull is safe because paths have file names when they have parents,
                   * and we checked for a parent at the beginning of the method.
                   */
                  requireNonNull(path.getFileName()));
        }
      }

      if (!sdsSupported) {

                  (SecureDirectoryStream<Path>) parent,
                  /*
                   * requireNonNull is safe because paths have file names when they have parents,
                   * and we checked for a parent at the beginning of the method.
                   */
                  requireNonNull(path.getFileName()));
        }
      }

      if (!sdsSupported) {

        Map<String, Lifecycle> lifecyclesMap = lookupLifecycles();

        // ensure canonical order of standard lifecycles
        return lifecyclesMap.values().stream()
                .peek(l -> Objects.requireNonNull(l.getId(), "A lifecycle must have an id."))
                .sorted(Comparator.comparing(Lifecycle::getId, comparator))
                .collect(Collectors.toList());
    }

        ImmutableList<AbstractFuture<T>> delegates, int inputFutureIndex) {
      /*
       * requireNonNull is safe because we accepted an Iterable of non-null Future instances, and we
       * don't overwrite an element in the array until after reading it.
       */
      ListenableFuture<? extends T> inputFuture = requireNonNull(inputFutures[inputFutureIndex]);
      // Null out our reference to this future, so it can be GCed

import static com.google.common.collect.CollectPreconditions.checkNonnegative;
import static java.lang.Math.max;
import static java.util.Arrays.asList;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.MoreObjects;

   * objects come from factory methods that are themselves {@code @Nullable}. In reality neither the
   * array nor its contents can be null, but it is not useful to force the use of {@code
   * requireNonNull} or the like just to assert that.
   *
   * <p>{@code EqualsTester} will always check that every object it is given returns false from

        return new DefaultRepositorySystemSession(session).setLocalRepositoryManager(llrm);
    }

    private LegacyLocalRepositoryManager(ArtifactRepository delegate) {
        this.delegate = Objects.requireNonNull(delegate, "delegate cannot be null");

        ArtifactRepositoryLayout layout = delegate.getLayout();
        repo = new LocalRepository(
                new File(delegate.getBasedir()),

 */

package com.google.common.testing;

import static com.google.common.base.Preconditions.checkArgument;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.CharMatcher;