public CoreNetwork withNetworkFunctionGroups(java.util.Collection<CoreNetworkNetworkFunctionGroup> networkFunctionGroups) {
        setNetworkFunctionGroups(networkFunctionGroups);
        return this;
    }
<p>
The network function groups associated with a core network.
</p>

@param networkFunctionGroups
       The network function groups associated with a core network.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-networkmanager/src/main/java/com/amazonaws/services/networkmanager/model/CoreNetwork.java