public void setAppInstances(java.util.Collection<AppInstanceSummary> appInstances) {
        if (appInstances == null) {
            this.appInstances = null;
            return;
        }

        this.appInstances = new java.util.ArrayList<AppInstanceSummary>(appInstances);
    }
<p>
The information for each <code>AppInstance</code>.
</p>

@param appInstances
       The information for each <code>AppInstance</code>.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/ListAppInstancesResult.java