import { EmotionCache } from '@emotion/css/create-instance';
export declare class CacheManager {
    private _cacheList;
    add(cache: EmotionCache): EmotionCache;
    delete(cache: EmotionCache): void;
    hasCache(cache: EmotionCache): boolean;
    getCache(key: string): EmotionCache | undefined;
    getCacheList(): EmotionCache[];
}