import type { BlurRegion } from "./svg.js";
export { compositeAnnotations };
/**
 * Apply blur regions and an SVG overlay to a PNG buffer, returning a new PNG.
 *
 * Blurs land first so the overlay paints on top: an outline or callout drawn
 * over a redacted region must stay sharp, and blurring after compositing would
 * smear the annotation itself.
 *
 * @param sharp The loaded sharp module.
 * @param buffer The PNG to annotate.
 * @param svg Overlay markup, already sized to the image in pixels.
 * @param blurRegions Regions to blur, already clipped to the image.
 */
declare function compositeAnnotations({ sharp, buffer, svg, blurRegions, }: {
    sharp: any;
    buffer: Buffer;
    svg: string;
    blurRegions: BlurRegion[];
}): Promise<Buffer>;
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