[JENKINS-56466] SpotBugs cannot tell that checkId is only called with the FileLogStorage monitor already held

Author: dwnusbaum

src/main/java/org/jenkinsci/plugins/workflow/log/FileLogStorage.java

@@ -77,7 +77,9 @@ public static synchronized LogStorage forFile(File log) {
     private final File index;
     @SuppressFBWarnings(value = "IS2_INCONSISTENT_SYNC", justification = "actually it is always accessed within the monitor")
     private FileOutputStream os;
+    @SuppressFBWarnings(value = "IS2_INCONSISTENT_SYNC", justification = "actually it is always accessed within the monitor")
     private long osStartPosition;
+    @SuppressFBWarnings(value = "IS2_INCONSISTENT_SYNC", justification = "actually it is always accessed within the monitor")
     private CountingOutputStream cos;
     @SuppressFBWarnings(value = "IS2_INCONSISTENT_SYNC", justification = "we only care about synchronizing writes")
     private OutputStream bos;