public String getNextSigningKeyLength() {
        return this.nextSigningKeyLength;
    }
<p>
[Easy DKIM] The key length of the future DKIM key pair to be generated. This can be changed at most once per day.
</p>

@return [Easy DKIM] The key length of the future DKIM key pair to be generated. This can be changed at most once
        per day.
@see DkimSigningKeyLength
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/DkimSigningAttributes.java