////  Created by Bradley Austin Davis 2015/05/13//  Copyright 2014 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "AbstractViewStateInterface.h" static AbstractViewStateInterface* INSTANCE{nullptr}; AbstractViewStateInterface* AbstractViewStateInterface::instance() {    return INSTANCE;} void AbstractViewStateInterface::setInstance(AbstractViewStateInterface* instance) {    INSTANCE = instance;}