// Round trip to byte array and back
      assertThat(Stats.fromByteArray(statsByteArray)).isEqualTo(stats);
    }
  }

  public void testFromByteArray_withNullInputThrowsNullPointerException() {
    assertThrows(NullPointerException.class, () -> Stats.fromByteArray(null));
  }

  public void testFromByteArray_withEmptyArrayInputThrowsIllegalArgumentException() {