public static Builder builder() {
        return new Builder();
    }
@return Expanded path within the volume from which the container&#39;s volume should be mounted. Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container&#39;s environment. Defaults to &#34;&#34; (volume&#39;s root). SubPathExpr and SubPath are mutually exclusive.
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/outputs/VolumeMount.java