import { Model } from "mongoose";
export declare const isObjectIdValid: (id: string) => boolean;
export declare function upgradeIndexes(model: Model<{
    [StringKey: string]: any;
    [NumberKey: number]: any;
}>, cache: BaseCacheManager): Promise<void>;
export declare function ensureIndexes<CacheManager extends BaseCacheManager>(model: Model<{
    [StringKey: string]: any;
    [NumberKey: number]: any;
}>, cache: CacheManager): void;