private static Object getPrivate(Object object, String fieldName) throws SecurityException,
      NoSuchFieldException, IllegalArgumentException, IllegalAccessException {
    Field field = object.getClass().getDeclaredField(fieldName);
    field.setAccessible(true);
    return field.get(object);
  }
Dangerous method. Uses reflection to extract the thread local for a given thread.

Unlike get(), this method does not set the initial value if none is found
geode-core/src/main/java/org/apache/geode/distributed/internal/deadlock/UnsafeThreadLocal.java