public AutoScalingPolicyDescription getAutoScalingPolicy() {
        return this.autoScalingPolicy;
    }
<p>
An automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster. The
automatic scaling policy defines how an instance group dynamically adds and terminates Amazon EC2 instances in
response to the value of a CloudWatch metric. See PutAutoScalingPolicy.
</p>

@return An automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster.
        The automatic scaling policy defines how an instance group dynamically adds and terminates Amazon EC2
        instances in response to the value of a CloudWatch metric. See PutAutoScalingPolicy.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/InstanceGroup.java