public Boolean isReturn() {
        return this.returnValue;
    }
<p>
Returns <code>true</code> if the request succeeds; otherwise, it returns an error.
</p>

@return Returns <code>true</code> if the request succeeds; otherwise, it returns an error.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ImportClientVpnClientCertificateRevocationListResult.java