import type { ImageResource } from '@rsbuild-image/core/shared';
/**
 * This implementation is based on code from [Next.js](https://github.com/vercel/next.js/blob/ed10f7ed0246fcc763194197eb9beebcbd063162/packages/next/src/shared/lib/image-blur-svg.ts#L1-L34)
 * which is licensed under the MIT License.
 *
 * @param param0
 * @returns
 */
export declare function getBlurImage({ width, height, thumbnail, objectFit, }: {
    width?: number;
    height?: number;
    thumbnail: string | ImageResource;
    objectFit?: string;
}): string;