code: private static boolean fieldHasRuntimeVisibleAnnotation(Field f) {
  		AnnotationEntry[] annotations = f.getAnnotationEntries();
  		if (annotations != null) {
  			for (AnnotationEntry annotation : annotations) {
  				if (annotation.isRuntimeVisible()) {
  					return true;
  				}
  			}
  		}
  
  		return false;
  	}
docs: looks to see the field has a runtime visible annotation, if it does it might
  be autowired or some other mechanism attached that makes them less
  interesting for a toString call.
  
  @param f the field to check
  @return if the field has a runtime visible annotation