declare namespace jsrsasign.KJUR.asn1.cms {
    /**
     * class for SignerInfo ASN.1 structure of CMS SignedData
     * @param params associative array of parameters
     * @description
     * ```
     * SignerInfo ::= SEQUENCE {
     *    version CMSVersion,
     *    sid SignerIdentifier,
     *    digestAlgorithm DigestAlgorithmIdentifier,
     *    signedAttrs [0] IMPLICIT SignedAttributes OPTIONAL,
     *    signatureAlgorithm SignatureAlgorithmIdentifier,
     *    signature SignatureValue,
     *    unsignedAttrs [1] IMPLICIT UnsignedAttributes OPTIONAL }
     * ```
     * @example
     * o = new KJUR.asn1.cms.SignerInfo();
     * o.setSignerIdentifier(certPEMstring);
     * o.dSignedAttrs.add(new KJUR.asn1.cms.ContentType({name: 'data'}));
     * o.dSignedAttrs.add(new KJUR.asn1.cms.MessageDigest({hex: 'a1b2...'}));
     * o.dSignedAttrs.add(new KJUR.asn1.cms.SigningTime());
     * o.sign(privteKeyParam, "SHA1withRSA");
     */
    class SignerInfo extends ASN1Object {
        constructor(params?: string);
        setSignerIdentifier(params: string): void;

        /**
         * set ContentType/MessageDigest/DigestAlgorithms for SignerInfo/SignedData
         * @param params JSON parameter to set content related field
         * @description
         * This method will specify following fields by a parameters:
         *
         * - add ContentType signed attribute by encapContentInfo
         * - add MessageDigest signed attribute by encapContentInfo and hashAlg
         * - add a hash algorithm used in MessageDigest to digestAlgorithms field of SignedData
         * - set a hash algorithm used in MessageDigest to digestAlgorithm field of SignerInfo
         *
         * Argument 'params' is an associative array having following elements:
         *
         * - eciObj - `KJUR.asn1.cms.EncapsulatedContentInfo` object
         * - sdObj - `KJUR.asn1.cms.SignedData` object (Option) to set DigestAlgorithms
         * - hashAlg - string of hash algorithm name which is used for MessageDigest attribute
         *
         * some of elements can be omited.
         * @example
         * sd = new KJUR.asn1.cms.SignedData();
         * signerInfo.setForContentAndHash({sdObj: sd,
         *                                  eciObj: sd.dEncapContentInfo,
         *                                  hashAlg: 'sha256'});
         */
        setForContentAndHash(params: { eciObj: EncapsulatedContentInfo; sdobj: SignedData; hashAlg: string }): void;

        sign(
            keyParam: RSAKey | crypto.ECDSA | crypto.DSA | jws.JWS.JsonWebKey | { n: string; e: string } | string,
            sigAlg: string,
        ): void;

        addUnsigned(attr: Attribute): void;

        getEncodedHex(): string;
    }
}