AnnotationHandlerCollector { @Override public String toString() { return handlers.toString(); } AnnotationHandlerCollector(Initializer initializer, Logger logger); boolean isModified(); String getAnnotationHandler(String type, String handlerType); void load(); void removeAnnotationHandler(String handler); @Override String toString(); String toList(); Map<String, String> handlers(); void fromList(String input);  }
@Test public void testToStringEmpty() { collector.toString(); }