import { Abstract, Scope, Type } from '@nestjs/common';
import { CacheStorage } from './cache-storage.interface';
export interface CacheKeyGenerator {
    generateCacheKey(request: any): string;
}
export declare type AngularUniversalStorageProvider = FixedTokenClassProvider<CacheStorage> | FixedTokenValueProvider<CacheStorage> | FixedTokenFactoryProvider<CacheStorage> | FixedTokenExistingProvider<CacheStorage>;
export interface FixedTokenClassProvider<T = any> {
    useClass: Type<T>;
    scope?: Scope;
}
export interface FixedTokenValueProvider<T = any> {
    useValue: T;
}
export interface FixedTokenFactoryProvider<T = any> {
    useFactory: (...args: any[]) => T;
    inject?: Array<Type<any> | string | symbol | Abstract<any> | ((...args: any) => any)>;
    scope?: Scope;
}
export interface FixedTokenExistingProvider<T = any> {
    useExisting: any;
}