export declare const extractSignature: (pdf: any) => {
    byteRanges: number[][];
    signatureStr: any[];
    signedData: any[];
    signatureMeta: {
        reason: any;
        contactInfo: any;
        location: any;
        signDate: string;
    }[];
};
export declare const getMessageFromSignature: (signature: any) => any;