export interface IUser {
    uid: number;
    username: string;
}
export declare const User: (...dataOrPipes: (string | import("@nestjs/common").PipeTransform<any, any> | import("@nestjs/common").Type<import("@nestjs/common").PipeTransform<any, any>>)[]) => ParameterDecorator;
export declare function getUserData(req: any, data?: string): IUser | null;