public void writeLockInfo(RandomAccessFile lockFileAccess, LockInfo lockInfo) throws IOException {
        lockFileAccess.seek(infoRegionPos);

        DataOutputStream outstr = new DataOutputStream(new BufferedOutputStream(new RandomAccessFileOutputStream(lockFileAccess)));
        outstr.writeByte(lockInfoSerializer.getVersion());
        lockInfoSerializer.write(outstr, lockInfo);
        outstr.flush();

                        LockInfo lockInfo = readInformationRegion(backoff);
                        if (lockInfo.port != -1) {
                            if (lockInfo.port != lastLockHolderPort) {
                                backoff.restartTimer();
                                lastLockHolderPort = lockInfo.port;
                                lastPingTime = 0;

Class <org.gradle.cache.internal.filelock.LockInfo> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (LockInfo.java:0)
Class <org.gradle.cache.internal.filelock.LockInfoAccess> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (LockInfoAccess.java:0)