public SessionKeysAbpV11 withFNwkSIntKey(String fNwkSIntKey) {
        setFNwkSIntKey(fNwkSIntKey);
        return this;
    }
<p>
The FNwkSIntKey value.
</p>

@param fNwkSIntKey
       The FNwkSIntKey value.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/model/SessionKeysAbpV11.java