// Default constructor
        }

        /** The relative ID (RID) of the SAM entry */
        public int idx;
        /** The name of the SAM entry */
        public rpc.unicode_string name;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_long(idx);
            _dst.enc_ndr_short(name.length);

            case jcifs.SID.SID_TYPE_ALIAS:
            case jcifs.SID.SID_TYPE_WKN_GRP:
                final rpc.unicode_string ustr = rpc.domains.domains[resp.sid_index].name;
                out.domainName = new UnicodeString(ustr, false).toString();
                break;
            }

            final UnicodeString ucstr = new UnicodeString(resp.name, false);
            out.acctName = ucstr.toString();
            out.type = resp.sid_type;

                final int sid_index = rpc.names.names[si].sid_index;
                final rpc.unicode_string ustr = rpc.domains.domains[sid_index].name;
                sids[si].domainName = new UnicodeString(ustr, false).toString();
                break;
            }

            sids[si].acctName = new UnicodeString(rpc.names.names[si].name, false).toString();
            sids[si].origin_server = null;

            names.names[0].name = new UnicodeString("alice", false);
            names.names[0].sid_index = 0;
            // Second is a domain group
            names.names[1] = new lsarpc.LsarTranslatedName();
            names.names[1].sid_type = (short) jcifs.SID.SID_TYPE_DOM_GRP;
            names.names[1].name = new UnicodeString("Domain Users", false);
            names.names[1].sid_index = 0;

        // Test that unicode strings are properly encoded/decoded
        String unicodeString = "日本語テスト";
        String encoded = BaseEncoding.base64().encode(unicodeString.getBytes(StandardCharsets.UTF_8));
        String decoded = new String(BaseEncoding.base64().decode(encoded), StandardCharsets.UTF_8);

        assertEquals(unicodeString, decoded);
    }

    public void test_special_characters_base64_encoding() {

        PacUnicodeString unicodeString = new PacUnicodeString(length, length, 100);

        // Should validate string length
        String result = unicodeString.check(testString);
        assertEquals(testString, result);

        // Should reject wrong length
        assertThrows(PACDecodingException.class, () -> {
            unicodeString.check("WRONGLENGTH");
        });
    }

            this.pwdCanChangeTime = pacStream.readFiletime();
            this.pwdMustChangeTime = pacStream.readFiletime();

            // User related strings as UnicodeStrings
            final PacUnicodeString userNameString = pacStream.readUnicodeString();
            final PacUnicodeString userDisplayNameString = pacStream.readUnicodeString();