public Boolean isSkipMatching() {
        return this.skipMatching;
    }
<p>
(Optional) Indicates whether skip matching is enabled. If enabled (<code>true</code>), then Amazon EC2 Auto
Scaling skips replacing instances that match the desired configuration. If no desired configuration is specified,
then it skips replacing instances that have the same launch template and instance types that the Auto Scaling
group was using before the start of the instance refresh. The default is <code>false</code>.
</p>
<p>
For more information, see <a
href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/asg-instance-refresh-skip-matching.html">Use an
instance refresh with skip matching</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.
</p>

@return (Optional) Indicates whether skip matching is enabled. If enabled (<code>true</code>), then Amazon EC2
        Auto Scaling skips replacing instances that match the desired configuration. If no desired configuration
        is specified, then it skips replacing instances that have the same launch template and instance types
        that the Auto Scaling group was using before the start of the instance refresh. The default is
        <code>false</code>.</p>
        <p>
        For more information, see <a
        href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/asg-instance-refresh-skip-matching.html">Use
        an instance refresh with skip matching</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/RefreshPreferences.java