import type { CascaderClusterFilterCache, CascaderClusterStorage } from './types';
export declare function detectIsBackend(pathname?: string, search?: string): boolean;
export declare function getCacheSessionKey(isBackend: boolean, pathname: string): "quotaCenterFilterLdcCluster" | "mFilterLdcCluster" | "uFilterLdcCluster";
export declare function readFilterCache(storage: CascaderClusterStorage, isBackend: boolean, pathname: string): CascaderClusterFilterCache;
export declare function writeFilterCache(storage: CascaderClusterStorage, isBackend: boolean, pathname: string, params: CascaderClusterFilterCache): void;
