export declare const REGISTER_USER_KEY = "rbac_register_user";
export interface RegisterUserOptions {
    userExtractor?: (body: any, user?: any) => {
        user_id: string;
        name?: string;
        email?: string;
    };
}
/**
 * NestJS decorator that marks a route for automatic user registration in the RBAC system.
 * Automatically assigns default role if configured and calls registration hooks.
 *
 * @param options - Optional user data extractor function
 * @returns Method decorator
 *
 * @example
 * ```typescript
 * // Default extraction from request body
 * @Post('signup')
 * @RegisterUser()
 * createUser(@Body() userData: CreateUserDto) { ... }
 *
 * // Custom user data extraction
 * @Post('signup')
 * @RegisterUser({
 *   userExtractor: (body, user) => ({
 *     user_id: body.id,
 *     name: body.fullName,
 *     email: body.emailAddress
 *   })
 * })
 * createUser(@Body() userData: CreateUserDto) { ... }
 * ```
 */
export declare const RegisterUser: (options?: RegisterUserOptions) => import("@nestjs/common").CustomDecorator<string>;