public DescribeMonitorRequest withMonitorArn(String monitorArn) {
        setMonitorArn(monitorArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the monitor resource to describe.
</p>

@param monitorArn
       The Amazon Resource Name (ARN) of the monitor resource to describe.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-forecast/src/main/java/com/amazonaws/services/forecast/model/DescribeMonitorRequest.java