public DkimSigningAttributes withDomainSigningPrivateKey(String domainSigningPrivateKey) {
        setDomainSigningPrivateKey(domainSigningPrivateKey);
        return this;
    }
<p>
[Bring Your Own DKIM] A private key that's used to generate a DKIM signature.
</p>
<p>
The private key must use 1024 or 2048-bit RSA encryption, and must be encoded using base64 encoding.
</p>

@param domainSigningPrivateKey
       [Bring Your Own DKIM] A private key that's used to generate a DKIM signature.</p>
       <p>
       The private key must use 1024 or 2048-bit RSA encryption, and must be encoded using base64 encoding.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/DkimSigningAttributes.java