public Optional<String> subPath() {
        return Optional.ofNullable(this.subPath);
    }
@return Path within the volume from which the container&#39;s volume should be mounted. Defaults to &#34;&#34; (volume&#39;s root).
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/outputs/VolumeMountPatch.java