public void setCACertificateIdentifier(String cACertificateIdentifier) {
        this.cACertificateIdentifier = cACertificateIdentifier;
    }
<p>
Indicates the certificate that needs to be associated with the instance.
</p>

@param cACertificateIdentifier
       Indicates the certificate that needs to be associated with the instance.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/ModifyDBInstanceRequest.java