@Test public void testNoStartNull() throws InterruptedException { Writer writer = startWriter(null); Assert.assertTrue(writer.isStopped()); }
boolean isStopped() { return queue == null; }
Writer { boolean isStopped() { return queue == null; } }
Writer { boolean isStopped() { return queue == null; }  }
Writer { boolean isStopped() { return queue == null; }  void queue(Span span); }
Writer { boolean isStopped() { return queue == null; }  void queue(Span span);  }