@Path("history")
    public HistoryResource getHistoryResource() {
        return new HistoryResource(userContext);
    }
Returns a new resource which represents historical data contained
within the UserContext exposed by this UserContextResource.

@return
    A new resource which represents the historical data contained within
    the UserContext exposed by this UserContextResource.
guacamole/src/main/java/org/apache/guacamole/rest/session/UserContextResource.java