protected function setUpMediaSiteVersionToContextAndSession ($targetMediaSiteVersion) {
		$this->session->{static::URL_PARAM_MEDIA_VERSION} = $targetMediaSiteVersion;
		$this->mediaSiteVersion = $targetMediaSiteVersion;
		return [\MvcCore\Ext\Routers\IMedia::URL_PARAM_MEDIA_VERSION => $targetMediaSiteVersion];
	}