}
    }.test();
  }

  @GwtIncompatible // fairly slow (~40s)
  public void testConcatSingletonAndSingletonYieldsDoubleton() {
    new DoubletonIteratorTester() {
      @Override
      protected Iterator<Integer> newTargetIterator() {
        return Iterators.concat(iterateOver(1), iterateOver(2));
      }
    }.test();
  }

  @GwtIncompatible // fairly slow (~40s)

fastvps-server.com
fastvps.host
myfast.host
fastvps.site
myfast.space

// FearWorks Media Ltd. : https://fearworksmedia.co.uk
// submitted by Keith Fairley <******@****.***>
conn.uk
copro.uk
hosp.uk

// Fedora : https://fedoraproject.org/
// submitted by Patrick Uiterwijk <******@****.***>
fedorainfracloud.org

      }
    }.test();
  }

  @GwtIncompatible // fairly slow (~40s)
  public void testConcatSingletonAndSingletonYieldsDoubleton() {
    new DoubletonIteratorTester() {
      @Override
      protected Iterator<Integer> newTargetIterator() {
        return Iterators.concat(iterateOver(1), iterateOver(2));
      }
    }.test();
  }

  @GwtIncompatible // fairly slow (~40s)

       */
      return null;
    }
  }

  /**
   * Returns the Method that can be used to resolve an individual StackTraceElement, or null if that
   * method cannot be found (it is only to be found in fairly recent JDKs).
   */
  @J2ktIncompatible
  @GwtIncompatible // java.lang.reflect
  private static @Nullable Method getGetMethod() {
    return getJlaMethod("getStackTraceElement", Throwable.class, int.class);
  }

     * returns 0, but if we had a SingletonImmutableSortedSet, this might no
     * longer be the case.)
     *
     * javax.naming.Name and java.util.concurrent.Delayed might work, but
     * they're fairly obscure, we've invented our own interface and class.
     */
    Interface a = new Impl();
    Interface b = new Impl();
    ImmutableSortedSet<Interface> set = ImmutableSortedSet.of(a, b);

game, feeling very glad she had someone to listen to her.  The
Cat seemed to think that there was enough of it now in sight, and
no more of it appeared.

  `I don't think they play at all fairly,' Alice began, in rather
a complaining tone, `and they all quarrel so dreadfully one can't
hear oneself speak--and they don't seem to have any rules in
particular; at least, if there are, nobody attends to them--and