export declare const InjectWebSocketProvider: () => (target: object, key: string | symbol, index?: number | undefined) => void;
export declare const EventListener: (event: string) => import("@nestjs/common").CustomDecorator<string>;
export declare const OnOpen: () => import("@nestjs/common").CustomDecorator<string>;
export declare const OnClose: () => import("@nestjs/common").CustomDecorator<string>;
export declare const OnError: () => import("@nestjs/common").CustomDecorator<string>;
export declare const OnMessage: () => import("@nestjs/common").CustomDecorator<string>;