public String getAvailabilityZone() {
        return this.availabilityZone;
    }
<p>
The Availability Zone in which the node exists. Required for Ethereum nodes.
</p>

@return The Availability Zone in which the node exists. Required for Ethereum nodes.
aws-java-sdk-managedblockchain/src/main/java/com/amazonaws/services/managedblockchain/model/NodeConfiguration.java