public Invitation withNetworkSummary(NetworkSummary networkSummary) {
        setNetworkSummary(networkSummary);
        return this;
    }
@param networkSummary
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-managedblockchain/src/main/java/com/amazonaws/services/managedblockchain/model/Invitation.java