import { RequestContext } from "../api/common/request-context";
export declare class RequestContextCacheService {
    private caches;
    set<T = any>(ctx: RequestContext, key: any, val: T): void;
    get<T = any>(ctx: RequestContext, key: any): T | undefined;
    get<T>(ctx: RequestContext, key: any, getDefault?: () => T): T;
    private getContextCache;
    private isPromise;
}