public static OutputStream string2OutputStream(final String string, final String charsetName) {
        if (string == null || isSpace(charsetName)) return null;
        try {
            return bytes2OutputStream(string.getBytes(charsetName));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return null;
        }
    }
@Test
    public void string2OutputStreamInputUnicodeReturnNewline() {
        Assert.assertNull(
                ConvertKit.string2OutputStream("\u0000\u0000", "\n")
        );
    }