public String getCAIdentifier() {
        return this.cAIdentifier;
    }
<p>
The CA identifier of the CA certificate used for the DB instance's server certificate.
</p>

@return The CA identifier of the CA certificate used for the DB instance's server certificate.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CertificateDetails.java