TrackerBundleReport { public boolean isEmpty() { return typeReportMap.keySet().stream().allMatch( k -> typeReportMap.get( k ).isEmpty() ); }  @JsonProperty TrackerStats getStats(); boolean isEmpty();  }
@Test public void testEmptyReport() { TrackerBundleReport report = new TrackerBundleReport(); assertEquals( TrackerStatus.OK, report.getStatus() ); assertNotNull( report.getTypeReportMap() ); assertTrue( report.isEmpty() ); }