public Builder csi(@Nullable Output<CSIPersistentVolumeSourcePatchArgs> csi) {
            $.csi = csi;
            return this;
        }
@param csi csi represents storage that is handled by an external CSI driver.

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