import { StyleRules, Stylesheet } from "css";
/**
 * returns `cssObject`. Doesn't check for availability in output css file.
 * `writeCssFile` function finishes the final check. This function only
 * returns
 *              objects that lazily includes the css .{class} for that.
 * @author KR Tirtho
 * @param {string} stylesheetObj the file that includes all the css style declarations as string.
 * @param {string[]} classes all the classes that needs to be matched with css selectors
 * @returns {css.Rule} Rule
 */
export declare function getCssObjects(stylesheetObj: Stylesheet, classes: string[]): StyleRules["rules"] | false;