public Expression getFilter() {
        return this.filter;
    }
<p>
An expression that specifies the conditions that you want each <code>FreeTierUsage</code> object to meet.
</p>

@return An expression that specifies the conditions that you want each <code>FreeTierUsage</code> object to meet.
aws-java-sdk-freetier/src/main/java/com/amazonaws/services/freetier/model/GetFreeTierUsageRequest.java