import { CanActivate } from '@nestjs/common';
/**
 * Decorator that applies authentication and role-based access control.
 * Combines RolesGuard with Swagger documentation.
 *
 * @param roles - Required roles for access
 * @example
 * ```typescript
 * @Controller('orders')
 * export class OrderController {
 *   @Post()
 *   @Auth('admin', 'manager')
 *   createOrder() {}
 * }
 * ```
 */
export declare function Auth(...roles: string[]): <TFunction extends Function, Y>(target: TFunction | object, propertyKey?: string | symbol, descriptor?: TypedPropertyDescriptor<Y>) => void;
export declare function AuthGuard({ guard, roles, }: {
    guard?: CanActivate | Function;
    roles: string[];
}): <TFunction extends Function, Y>(target: TFunction | object, propertyKey?: string | symbol, descriptor?: TypedPropertyDescriptor<Y>) => void;
/**
 * Decorator that adds tenant code header requirement to Swagger docs.
 */
export declare function HeaderTenant(): MethodDecorator & ClassDecorator;