* http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/test/tck/AbstractExecutorServiceTest.java?revision=1.30
 * which contained the following notice:
 *
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 * Other contributors include Andrew Wright, Jeffrey Hayes,
 * Pat Fisher, Mike Judd.
 */

    return new SubtypeOfPredicate(clazz);
  }

  /**
   * Returns a predicate that evaluates to {@code true} if the object reference being tested is a
   * member of the given collection. It does not defensively copy the collection passed in, so
   * future changes to it will alter the behavior of the predicate.
   *