@CustomType.Setter
        public Builder resourceFieldRef(@Nullable ResourceFieldSelectorPatch resourceFieldRef) {

            this.resourceFieldRef = resourceFieldRef;
            return this;
        }
@return Selects a key of a secret in the pod&#39;s namespace
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/outputs/EnvVarSourcePatch.java