ReshuffleTrigger extends Trigger { @Override public String toString() { return "ReshuffleTrigger()"; } ReshuffleTrigger(); @Override Instant getWatermarkThatGuaranteesFiring(BoundedWindow window); @Override boolean mayFinish(); @Override String toString();  }
@Test public void testToString() { Trigger trigger = new ReshuffleTrigger<>(); assertEquals("ReshuffleTrigger()", trigger.toString()); }