public Builder fieldRef(ObjectFieldSelectorArgs fieldRef) {
            return fieldRef(Output.of(fieldRef));
        }
@param fieldRef Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels[&#39;&lt;KEY&gt;&#39;]`, `metadata.annotations[&#39;&lt;KEY&gt;&#39;]`, spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs.

@return builder
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/inputs/EnvVarSourceArgs.java