private Funnels() {}

  /** Returns a funnel that extracts the bytes from a {@code byte} array. */
  public static Funnel<byte[]> byteArrayFunnel() {
    return ByteArrayFunnel.INSTANCE;
  }

  private enum ByteArrayFunnel implements Funnel<byte[]> {
    INSTANCE;

    @Override
    public void funnel(byte[] from, PrimitiveSink into) {
      into.putBytes(from);
    }

    @Override
    public String toString() {

  private Funnels() {}

  /** Returns a funnel that extracts the bytes from a {@code byte} array. */
  public static Funnel<byte[]> byteArrayFunnel() {
    return ByteArrayFunnel.INSTANCE;
  }

  private enum ByteArrayFunnel implements Funnel<byte[]> {
    INSTANCE;

    @Override
    public void funnel(byte[] from, PrimitiveSink into) {
      into.putBytes(from);
    }

    @Override
    public String toString() {

    if (elements instanceof ImmutableMultiset) {
      @SuppressWarnings("unchecked") // all supported methods are covariant
      ImmutableMultiset<E> result = (ImmutableMultiset<E>) elements;
      if (!result.isPartialView()) {
        return result;
      }
    }

    Multiset<? extends E> multiset =
        (elements instanceof Multiset)
            ? (Multiset<? extends E>) elements

        // Two distinct auth instances
        NtlmPasswordAuthentication a1 = new NtlmPasswordAuthentication("DOM", "user", "pwd");
        NtlmPasswordAuthentication a2 = new NtlmPasswordAuthentication("DOM", "user", "pwd");
        SmbSession s1 = new SmbSession(addr, 445, inet, 0, a1);
        SmbSession s2 = new SmbSession(addr, 445, inet, 0, a2);
        // same auth instance => matches
        assertTrue(s1.matches(a1));

    }

    @CanIgnoreReturnValue
    @Override
    public Builder<E> addAll(Iterable<? extends E> elements) {
      if (elements instanceof Collection) {
        Collection<?> collection = (Collection<?>) elements;
        ensureRoomFor(collection.size());
        if (collection instanceof ImmutableCollection) {
          ImmutableCollection<?> immutableCollection = (ImmutableCollection<?>) collection;

    return super.toString();
  }

  private static boolean isProxyOfSameInterfaces(Object arg, Class<?> proxyClass) {
    return proxyClass.isInstance(arg)
        // Equal proxy instances should mostly be instance of proxyClass
        // Under some edge cases (such as the proxy of JDK types serialized and then deserialized)
        // the proxy type may not be the same.

   * through java serialization. However, floating point rounding errors mean that it may be false
   * for some instances where the statistics are mathematically equal, including instances
   * constructed from the same values in a different order... or (in the general case) even in the
   * same order. (It is guaranteed to return true for instances constructed from the same values in

            assertNotSame(impl, renewed, "renew() should return a different instance");
            assertTrue(renewed instanceof SmbRenewableCredentials, "renewed credentials should still be SmbRenewableCredentials");
        } else {
            assertNull(renewed, "renew() may return null for failed renewal");
        }
    }

    @Test

   * is the order of the first appearance of each key in this iterable.
   *
   * <p>When there are multiple instances of a key in this iterable, it is unspecified whether
   * {@code valueFunction} will be applied to more than one instance of that key and, if it is,
   * which result will be mapped to that key in the returned map.
   *

   * is the order of the first appearance of each key in this iterable.
   *
   * <p>When there are multiple instances of a key in this iterable, it is unspecified whether
   * {@code valueFunction} will be applied to more than one instance of that key and, if it is,
   * which result will be mapped to that key in the returned map.
   *