public UpdateNodeRequest withNodeId(String nodeId) {
        setNodeId(nodeId);
        return this;
    }
<p>
The unique identifier of the node.
</p>

@param nodeId
       The unique identifier of the node.
@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/UpdateNodeRequest.java