declare namespace jsrsasign.KJUR.asn1.cms {
    /**
     * class for SignerInfo ASN.1 structure of CMS SignedData
     * @param params associative array of parameters
     * @description
     * ```
     * SignedData ::= SEQUENCE {
     *    version CMSVersion,
     *    digestAlgorithms DigestAlgorithmIdentifiers,
     *    encapContentInfo EncapsulatedContentInfo,
     *    certificates [0] IMPLICIT CertificateSet OPTIONAL,
     *    crls [1] IMPLICIT RevocationInfoChoices OPTIONAL,
     *    signerInfos SignerInfos }
     * SignerInfos ::= SET OF SignerInfo
     * CertificateSet ::= SET OF CertificateChoices
     * DigestAlgorithmIdentifiers ::= SET OF DigestAlgorithmIdentifier
     * CertificateSet ::= SET OF CertificateChoices
     * RevocationInfoChoices ::= SET OF RevocationInfoChoice
     * ```
     *
     * @example
     * sd = new KJUR.asn1.cms.SignedData();
     * sd.dEncapContentInfo.setContentValueStr("test string");
     * sd.signerInfoList[0].setForContentAndHash({sdObj: sd,
     *                                            eciObj: sd.dEncapContentInfo,
     *                                            hashAlg: 'sha256'});
     * sd.signerInfoList[0].dSignedAttrs.add(new KJUR.asn1.cms.SigningTime());
     * sd.signerInfoList[0].setSignerIdentifier(certPEM);
     * sd.signerInfoList[0].sign(prvP8PEM, "SHA256withRSA");
     * hex = sd.getContentInfoEncodedHex();
     */
    class SignedData extends ASN1Object {
        signerInfoList: SignerInfo[];
        constructor(params?: object);
        addCertificatesByPEM(certPEM: string): void;
        getEncodedHex(): string;
        getContentInfo(): ContentInfo;
        getContentInfoEncodedHex(): string;
        getPEM(): string;
    }
}