public String getScaleInProtectedInstances() {
        return this.scaleInProtectedInstances;
    }
<p>
Choose the behavior that you want Amazon EC2 Auto Scaling to use if instances protected from scale in are found.
</p>
<p>
The following lists the valid values:
</p>
<dl>
<dt>Refresh</dt>
<dd>
<p>
Amazon EC2 Auto Scaling replaces instances that are protected from scale in.
</p>
</dd>
<dt>Ignore</dt>
<dd>
<p>
Amazon EC2 Auto Scaling ignores instances that are protected from scale in and continues to replace instances
that are not protected.
</p>
</dd>
<dt>Wait (default)</dt>
<dd>
<p>
Amazon EC2 Auto Scaling waits one hour for you to remove scale-in protection. Otherwise, the instance refresh
will fail.
</p>
</dd>
</dl>

@return Choose the behavior that you want Amazon EC2 Auto Scaling to use if instances protected from scale in are
        found. </p>
        <p>
        The following lists the valid values:
        </p>
        <dl>
        <dt>Refresh</dt>
        <dd>
        <p>
        Amazon EC2 Auto Scaling replaces instances that are protected from scale in.
        </p>
        </dd>
        <dt>Ignore</dt>
        <dd>
        <p>
        Amazon EC2 Auto Scaling ignores instances that are protected from scale in and continues to replace
        instances that are not protected.
        </p>
        </dd>
        <dt>Wait (default)</dt>
        <dd>
        <p>
        Amazon EC2 Auto Scaling waits one hour for you to remove scale-in protection. Otherwise, the instance
        refresh will fail.
        </p>
        </dd>
@see ScaleInProtectedInstances
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/RefreshPreferences.java