import { type RenderOptions } from "../render/renderer.js";
export interface CompareResult {
    diffPercent: number;
    diffPixels: number;
    totalPixels: number;
    diffImage: Buffer;
}
export interface SlideComparison {
    slideIndex: number;
    diffPercent: number;
    diffPixels: number;
    rendered: Buffer;
    expected: Buffer;
    diff: Buffer;
}
export declare function compareImages(actual: Buffer, expected: Buffer): Promise<CompareResult>;
export declare function compareSlidesToQuickLook(pptxPath: string, quicklookDir: string, options?: RenderOptions): Promise<SlideComparison[]>;