framework/tests/all-systems/java8inference/Bug9.java

package inference.guava;

import java.util.Collection;
import java.util.Map;
import java.util.Spliterator;
import java.util.function.Function;

@SuppressWarnings("all") // Just check for crashes.
public class Bug9<K, Z> {
  private transient Map<K, Collection<Z>> map;

  Spliterator<Z> valueSpliterator() {
    return flatMap(map.values().spliterator(), Collection::spliterator, Spliterator.SIZED, size());
  }

  static <F, T> Spliterator<T> flatMap(
      Spliterator<F> fromSpliterator,
      Function<? super F, Spliterator<T>> function,
      int topCharacteristics,
      long topSize) {
    throw new RuntimeException();
  }

  public int size() {
    throw new RuntimeException();
  }
}