export default extractSignature;
/**
 * @param {Uint8Array} pdf
 */
declare function extractSignature(pdf: Uint8Array): {
    byteRanges: [number, number, number, number][];
    signatureStr: string[];
    signedData: Uint8Array<ArrayBufferLike>[];
    signatureMeta: {
        reason: string | null | undefined;
        contactInfo: string | null | undefined;
        location: string | null | undefined;
        name: string | null | undefined;
    }[];
};