public Optional<Output<String>> providerID() {
        return Optional.ofNullable(this.providerID);
    }
@return ID of the node assigned by the cloud provider in the format: &lt;ProviderName&gt;://&lt;ProviderSpecificNodeID&gt;
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/inputs/NodeSpecPatchArgs.java