public NodeFrameworkAttributes withEthereum(NodeEthereumAttributes ethereum) {
        setEthereum(ethereum);
        return this;
    }
<p>
Attributes of Ethereum for a node on a Managed Blockchain network that uses Ethereum.
</p>

@param ethereum
       Attributes of Ethereum for a node on a Managed Blockchain network that uses Ethereum.
@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/NodeFrameworkAttributes.java