export type CacheTtl = {
    value: number;
    unit: "years" | "months" | "days" | "hours" | "minutes" | "seconds";
};
export type CacheEntryInfo = {
    instanceName: string;
    key: string;
    expiration: Date;
    createdOn: Date;
    updatedOn: Date;
};
export type CacheEntryDetail = CacheEntryInfo & {
    data: any;
};
export interface ICacheInstance {
    getInstanceName(): string;
    getEntries(): Promise<CacheEntryInfo[]>;
    getEntry(key: string): Promise<CacheEntryDetail | undefined>;
    get<T>(key: string): Promise<T | undefined>;
    set<T>(key: string, input: {
        value: T;
        ttl: CacheTtl;
    }): Promise<void>;
    retrieve<T>(key: string, input: {
        ttl: CacheTtl;
        valueFactory: () => Promise<T>;
    }): Promise<T>;
    delete(key: string): Promise<void>;
    clear(): Promise<void>;
}
export interface ICache {
    getInstance(instanceName: string): Promise<ICacheInstance>;
}