index.put(classId, new LinkedHashMap<Long, TestCaseRegion>());
            }

            Map<Long, TestCaseRegion> testCaseRegions = index.get(classId);
            if (!testCaseRegions.containsKey(testId)) {
                TestCaseRegion region = new TestCaseRegion();
                testCaseRegions.put(testId, region);
            }

            TestCaseRegion region = testCaseRegions.get(testId);

Class <org.gradle.api.internal.tasks.testing.junit.result.TestOutputStore$TestCaseRegion> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (TestOutputStore.java:0)