public DescribeFleetMetricResult withMetricArn(String metricArn) {
        setMetricArn(metricArn);
        return this;
    }
<p>
The ARN of the fleet metric to describe.
</p>

@param metricArn
       The ARN of the fleet metric to describe.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/DescribeFleetMetricResult.java