public String getStandbyInstances() {
        return this.standbyInstances;
    }
<p>
Choose the behavior that you want Amazon EC2 Auto Scaling to use if instances in <code>Standby</code> state are
found.
</p>
<p>
The following lists the valid values:
</p>
<dl>
<dt>Terminate</dt>
<dd>
<p>
Amazon EC2 Auto Scaling terminates instances that are in <code>Standby</code>.
</p>
</dd>
<dt>Ignore</dt>
<dd>
<p>
Amazon EC2 Auto Scaling ignores instances that are in <code>Standby</code> and continues to replace instances
that are in the <code>InService</code> state.
</p>
</dd>
<dt>Wait (default)</dt>
<dd>
<p>
Amazon EC2 Auto Scaling waits one hour for you to return the instances to service. Otherwise, the instance
refresh will fail.
</p>
</dd>
</dl>

@return Choose the behavior that you want Amazon EC2 Auto Scaling to use if instances in <code>Standby</code>
        state are found.</p>
        <p>
        The following lists the valid values:
        </p>
        <dl>
        <dt>Terminate</dt>
        <dd>
        <p>
        Amazon EC2 Auto Scaling terminates instances that are in <code>Standby</code>.
        </p>
        </dd>
        <dt>Ignore</dt>
        <dd>
        <p>
        Amazon EC2 Auto Scaling ignores instances that are in <code>Standby</code> and continues to replace
        instances that are in the <code>InService</code> state.
        </p>
        </dd>
        <dt>Wait (default)</dt>
        <dd>
        <p>
        Amazon EC2 Auto Scaling waits one hour for you to return the instances to service. Otherwise, the
        instance refresh will fail.
        </p>
        </dd>
@see StandbyInstances
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/RefreshPreferences.java