public void setApplicationArns(java.util.Collection<String> applicationArns) {
        if (applicationArns == null) {
            this.applicationArns = null;
            return;
        }

        this.applicationArns = new com.amazonaws.internal.SdkInternalList<String>(applicationArns);
    }
<p>
List of SNS platform application ARNs that could be used by clients.
</p>

@param applicationArns
       List of SNS platform application ARNs that could be used by clients.
aws-java-sdk-cognitosync/src/main/java/com/amazonaws/services/cognitosync/model/PushSync.java