import type { OpenAPIV3 } from '@scalar/openapi-types';
import type { UnknownObject } from '@scalar/types/utils';
/**
 * Upgrade Swagger 2.0 to OpenAPI 3.0
 *
 * https://swagger.io/blog/news/whats-new-in-openapi-3-0/
 */
export declare function upgradeFromTwoToThree(originalSpecification: UnknownObject): UnknownObject | OpenAPIV3.Document<{}>;
//# sourceMappingURL=upgrade-from-two-to-three.d.ts.map