export declare class StorageUtils {
    /**
     * 存储实例: 默认为 local
     */
    storage: Storage;
    constructor(type?: "local" | "session");
    setItem(key: string, value: any): void;
    getItem(key: string): any | null;
    removeItem(key: string): void;
    clear(): void;
}
export declare const sessionStorageUtils: StorageUtils;
export declare const localStorageUtils: StorageUtils;