public String getUnit() {
        return this.unit;
    }
<p>
The unit of measure associated with the CloudWatch metric being watched. The value specified for
<code>Unit</code> must correspond to the units specified in the CloudWatch metric.
</p>

@return The unit of measure associated with the CloudWatch metric being watched. The value specified for
        <code>Unit</code> must correspond to the units specified in the CloudWatch metric.
@see Unit
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/CloudWatchAlarmDefinition.java