import type App from '../app/index.js';
export interface CssRulesOptions {
    /** turn this on if you have issues with emotionjs created styles */
    scanInMemoryCSS?: boolean;
    /** how often to scan tracked stylesheets (with "empty" rules) */
    checkCssInterval?: number;
    /**
    Useful for cases where you expect limited amount of mutations
  
    i.e when sheets are hydrated on client after initial render.
  
    if you want to observe for x seconds, do (x*1000)/checkCssInterval = checkLimit
  
    applied to each stylesheet individually.
    */
    checkLimit?: number;
}
export default function (app: App, opts: CssRulesOptions): void;