public Map<String, Object> context() {
        return context;
    }
<p>Returns the named application context objects. This data is not intended for network transport, rather they
are intended for passing shared data between components of an Application.</p>

<p>Modifying the context map is a thread-unsafe operation -- any changes made after calling {@link
ResponseHandler#handleResponse(Response)} might never become visible to other threads, and might throw
ConcurrentModificationExceptions in other threads.</p>

@return The context map.
jdisc_core/src/main/java/com/yahoo/jdisc/Response.java