import { KobpServiceContext } from '../context';
declare type RequestContextCreator<O extends any> = new (context: any) => O;
/**
 * Marking any class to be available when resource is being created.
 *
 * - Automatically register to `RequestContextCreator`
 *
 * Once registered the class will automaticall enabled by the `keyName` provided.
 * which can be accessed through:
 *
 * `RequestRoomProvider.shared.currentInstance(keyName or classConstructor)`
 */
export declare function RequestContextEnabled(keyName: string): (constructor: RequestContextCreator<any>) => void;
export declare class KobpRequestRoom {
    private static counter;
    readonly id: number;
    private data;
    constructor(context: KobpServiceContext);
    get<T>(key: string): T;
    set<T>(key: string, data: T): void;
    free(): void;
}
/**
 * A factory for `KobpRequestRoom`
 */
export declare class RequestRoomProvider {
    private static _instance?;
    static get shared(): RequestRoomProvider;
    private constructor();
    createAsync(_ctx: KobpServiceContext, next: (...args: any[]) => Promise<KobpRequestRoom>): Promise<KobpRequestRoom>;
    current(): KobpRequestRoom | undefined;
    static instanceOf<O>(keyOrCnstr: string | RequestContextCreator<O>): O | undefined;
    currentInstance<O>(key: string | RequestContextCreator<O>): O | undefined;
}
export {};