* represented in binary.
   */
  private val FLAGS = arrayOfNulls<String>(0x40) // Highest bit flag is 0x20.
  private val BINARY =
    Array(256) {
      format("%8s", Integer.toBinaryString(it)).replace(' ', '0')
    }

  init {
    FLAGS[FLAG_NONE] = ""
    FLAGS[FLAG_END_STREAM] = "END_STREAM"

    val prefixFlags = intArrayOf(FLAG_END_STREAM)

    FLAGS[FLAG_PADDED] = "PADDED"

        Iterables.transform(
            input,
            new Function<Integer, String>() {
              @Override
              public String apply(Integer from) {
                return Integer.toBinaryString(from);
              }
            });

    Iterator<String> expectedIterator = asList("1", "10", "11", "100").iterator();
    result.forEach(s -> assertEquals(expectedIterator.next(), s));