*
     * When MapIteratorCache is used from Immutable* classes, the TSAN failure doesn't indicate a
     * real problem: The Entry objects are ImmutableMap entries, whose fields are all final and thus
     * safe to read even when the Entry object is unsafely published. But with a mutable graph, the
     * Entry object is likely to have a non-final value field, which is not safe to read when

     *
     * When MapIteratorCache is used from Immutable* classes, the TSAN failure doesn't indicate a
     * real problem: The Entry objects are ImmutableMap entries, whose fields are all final and thus
     * safe to read even when the Entry object is unsafely published. But with a mutable graph, the
     * Entry object is likely to have a non-final value field, which is not safe to read when