@Override
    public String toString() {
        return this.value;
    }
<p>
The comparison operator of a notification. Currently, the service supports the following operators:
</p>
<p>
<code>GREATER_THAN</code>, <code>LESS_THAN</code>, <code>EQUAL_TO</code>
</p>
aws-java-sdk-budgets/src/main/java/com/amazonaws/services/budgets/model/ComparisonOperator.java