public void setCACertificateIdentifier(String cACertificateIdentifier) {
        this.cACertificateIdentifier = cACertificateIdentifier;
    }
<p>
The identifier of the CA certificate for this DB instance.
</p>

@param cACertificateIdentifier
       The identifier of the CA certificate for this DB instance.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsRdsDbInstanceDetails.java