public PushSync withApplicationArns(String... applicationArns) {
        if (this.applicationArns == null) {
            setApplicationArns(new com.amazonaws.internal.SdkInternalList<String>(applicationArns.length));
        }
        for (String ele : applicationArns) {
            this.applicationArns.add(ele);
        }
        return this;
    }
<p>
List of SNS platform application ARNs that could be used by clients.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setApplicationArns(java.util.Collection)} or {@link #withApplicationArns(java.util.Collection)} if you
want to override the existing values.
</p>

@param applicationArns
       List of SNS platform application ARNs that could be used by clients.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cognitosync/src/main/java/com/amazonaws/services/cognitosync/model/PushSync.java