import { HttpContext } from '../HttpContext.js';
import { HttpHandler, HttpNext } from '../HttpHandler.js';
/**
 * Sets Access-Control-* headers and responds to CORS preflight requests.
 *
 * Note: it should be bound to global scope because doesn't use request-scoped dependencies.
 */
export declare class HttpCorsHandler implements HttpHandler {
    CORS_EXPOSE_HEADERS: string;
    CORS_MAX_AGE: number;
    CORS_ALLOW_CREDENTIALS: boolean;
    handle(ctx: HttpContext, next: HttpNext): Promise<void>;
}