type ImageMetadata = {
    base64: string;
    type: string;
    pageId: string;
    sha1: string;
    width: number;
    height: number;
    timestamp: number;
};
export declare function deduplicateImages({ base64Images, threshold, logPrefix, }: {
    base64Images: {
        metadata: ImageMetadata;
        image: string;
    }[];
    threshold: number;
    logPrefix?: string;
}): Promise<{
    metadata: ImageMetadata;
    image: string;
}[]>;
export {};
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