@SuppressWarnings("unchecked")
  public static <E> ImmutableSet<E> of(E e1, E e2, E e3) {
    return create(e1, e2, e3);
  }

  @SuppressWarnings("unchecked")
  public static <E> ImmutableSet<E> of(E e1, E e2, E e3, E e4) {
    return create(e1, e2, e3, e4);
  }

  @SuppressWarnings("unchecked")
  public static <E> ImmutableSet<E> of(E e1, E e2, E e3, E e4, E e5) {
    return create(e1, e2, e3, e4, e5);
  }

import static com.google.common.util.concurrent.FuturesGetCheckedInputs.OTHER_THROWABLE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION_FUTURE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.UNCHECKED_EXCEPTION;

    }

    @Override
    @SuppressWarnings({"unchecked"})
    public <T> T computeIfAbsent(String groupId, String artifactId, String version, String tag, Supplier<T> data) {
        return (T) computeIfAbsent(new GavCacheKey(groupId, artifactId, version, tag), data);
    }

    @Override
    @SuppressWarnings({"unchecked"})
    public <T> T computeIfAbsent(Source path, String tag, Supplier<T> data) {

import static com.google.common.util.concurrent.FuturesGetCheckedInputs.OTHER_THROWABLE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION_FUTURE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.UNCHECKED_EXCEPTION;

import static com.google.common.util.concurrent.FuturesGetCheckedInputs.OTHER_THROWABLE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION_FUTURE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.UNCHECKED_EXCEPTION;

  }

  @Override
  public final Map<AnEnum, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<AnEnum, String>[] array = (Entry<AnEnum, String>[]) new Entry<?, ?>[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<AnEnum, String> e = (Entry<AnEnum, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  }

  @Override
  public final Map<AnEnum, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<AnEnum, String>[] array = (Entry<AnEnum, String>[]) new Entry<?, ?>[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<AnEnum, String> e = (Entry<AnEnum, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  }

  @Override
  public final BiMap<String, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<String, String>[] array = (Entry<String, String>[]) new Entry<?, ?>[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

      Class<? super T> supertype, Type[] upperBounds) {
    for (Type upperBound : upperBounds) {
      @SuppressWarnings("unchecked") // T's upperbound is <? super T>.
      TypeToken<? super T> bound = (TypeToken<? super T>) of(upperBound);
      if (bound.isSubtypeOf(supertype)) {
        @SuppressWarnings({"rawtypes", "unchecked"}) // guarded by the isSubtypeOf check.
        TypeToken<? super T> result = bound.getSupertype((Class) supertype);

  }

  @SuppressWarnings("unchecked")
  public static <E> ImmutableSortedSet<E> of() {
    return (ImmutableSortedSet<E>) NATURAL_EMPTY_SET;
  }

  public static <E extends Comparable<? super E>> ImmutableSortedSet<E> of(E element) {
    return ofInternal(Ordering.natural(), element);
  }

  @SuppressWarnings("unchecked")