// didn't see it, trying to put it instead...
        Dummy sneaky = map.putIfAbsent(sample, Dummy.VALUE);
        if (sneaky == null) {
          return sample;
        } else {
          /* Someone beat us to it! Trying again...
           *
           * Technically this loop not guaranteed to terminate, so theoretically (extremely
           * unlikely) this thread might starve, but even then, there is always going to be another

down here with me!  There are no mice in the air, I'm afraid, but
you might catch a bat, and that's very like a mouse, you know.
But do cats eat bats, I wonder?'  And here Alice began to get
rather sleepy, and went on saying to herself, in a dreamy sort of
way, `Do cats eat bats?  Do cats eat bats?' and sometimes, `Do
bats eat cats?' for, you see, as she couldn't answer either
question, it didn't much matter which way she put it.  She felt

    // one. (StringCoding$StringDecoder vs. StreamDecoder).  StringCoding has a ton of special cases
    // theoretically we could duplicate all that logic here to try to beat 'new String' or at least
    // come close.
    USING_DECODER_WITH_SIZE_HINT {
      @Override
      String read(ByteSource byteSource, Charset cs) throws IOException {
        Optional<Long> size = byteSource.sizeIfKnown();

    // one. (StringCoding$StringDecoder vs. StreamDecoder).  StringCoding has a ton of special cases
    // theoretically we could duplicate all that logic here to try to beat 'new String' or at least
    // come close.
    USING_DECODER_WITH_SIZE_HINT {
      @Override
      String read(ByteSource byteSource, Charset cs) throws IOException {
        Optional<Long> size = byteSource.sizeIfKnown();

down here with me!  There are no mice in the air, I'm afraid, but
you might catch a bat, and that's very like a mouse, you know.
But do cats eat bats, I wonder?'  And here Alice began to get
rather sleepy, and went on saying to herself, in a dreamy sort of
way, `Do cats eat bats?  Do cats eat bats?' and sometimes, `Do
bats eat cats?' for, you see, as she couldn't answer either
question, it didn't much matter which way she put it.  She felt

          @SuppressWarnings("unused")
          @Subscribe
          public void eat(Object food) {
            objectEvents.add(food);
          }
        };

    final List<Comparable<?>> compEvents = Lists.newArrayList();
    Object compCatcher =
        new Object() {
          @SuppressWarnings("unused")
          @Subscribe
          public void eat(Comparable<?> food) {
            compEvents.add(food);
          }
        };

          @SuppressWarnings("unused")
          @Subscribe
          public void eat(Object food) {
            objectEvents.add(food);
          }
        };

    final List<Comparable<?>> compEvents = Lists.newArrayList();
    Object compCatcher =
        new Object() {
          @SuppressWarnings("unused")
          @Subscribe
          public void eat(Comparable<?> food) {
            compEvents.add(food);
          }
        };

      // but work beyond that must take at least one second
      assertTrue(afterBurst >= 1000);
    }
  }

  /**
   * This neat test shows that no matter what weights we use in our requests, if we push X amount of
   * permits in a cool state, where X = rate * timeToCoolDown, and we have specified a

        // didn't see it, trying to put it instead...
        Dummy sneaky = map.putIfAbsent(sample, Dummy.VALUE);
        if (sneaky == null) {
          return sample;
        } else {
          /* Someone beat us to it! Trying again...
           *
           * Technically this loop not guaranteed to terminate, so theoretically (extremely
           * unlikely) this thread might starve, but even then, there is always going to be another

      // but work beyond that must take at least one second
      assertTrue(afterBurst >= 1000);
    }
  }

  /**
   * This neat test shows that no matter what weights we use in our requests, if we push X amount of
   * permits in a cool state, where X = rate * timeToCoolDown, and we have specified a