@SuppressWarnings("unchecked")
    static <T> Class<T> loadClass(String className)
    {
        try
        {
            return (Class<T>) Thread.currentThread().getContextClassLoader()
                    .loadClass(className);
        }
        catch (ClassNotFoundException e)
        {
            throw new RuntimeException(e);
        }
    }
If true, sun.misc.Unsafe is used to access the fields of the objects instead of plain java reflections. Enabled
by default if running on a sun jre.
protostuff-runtime-md/src/main/java/io/protostuff/runtime/RuntimeEnv.java