public EC2InstanceCounts withIDLE(Integer iDLE) {
        setIDLE(iDLE);
        return this;
    }
<p>
Number of active instances that are not currently hosting a game session.
</p>

@param iDLE
       Number of active instances that are not currently hosting a game session.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/EC2InstanceCounts.java