function getLibraryCssQueryParams(oLibInfo) {
		var sQuery;
		if (oLibInfo) {
			sQuery = "?version=" + oLibInfo.version;

			// distribution version may not be available (will be loaded in Core constructor syncpoint2)
			if (VersionInfo._content) {
				sQuery += "&sap-ui-dist-version=" + VersionInfo._content.version;
			}
		}
		return sQuery;
	}
Returns a string containing query parameters for theme specific files.

Used in Core#initLibrary and ThemeManager#checkStyle.

@param {object} oLibInfo Library info object (containing a "version" property)
@returns {string|undefined} query parameters or undefined if "versionedLibCss" config is "false"
@private