public String toString() {
        StringBuilder buffer = new StringBuilder(128);

        buffer.append('[').append(getSeverity()).append("] ");
        buffer.append(getMessage());
        String location = getLocation();
        if (!location.isEmpty()) {
            buffer.append(" @ ");
            buffer.append(location);
        }

        return buffer.toString();
    }

	o = msgp.Require(b, z.Msgsize())
	// map header, size 3
	// string "id"
	o = append(o, 0x83, 0xa2, 0x69, 0x64)
	o = msgp.AppendString(o, z.DiskID)
	// string "m"
	o = append(o, 0xa1, 0x6d)
	o = msgp.AppendInt(o, z.ScanMode)
	// string "c"
	o = append(o, 0xa1, 0x63)
	if z.Cache == nil {
		o = msgp.AppendNil(o)
	} else {
		o, err = z.Cache.MarshalMsg(o)
		if err != nil {

        @SuppressWarnings("unchecked")
        final List<String> roleTypeList = (List<String>) dataMap.get(fessConfig.getIndexFieldRole());
        buf.append(url);
        if (roleTypeList != null && !roleTypeList.isEmpty()) {
            buf.append(";r=");
            buf.append(roleTypeList.stream().sorted().collect(Collectors.joining(",")));
        }

        @SuppressWarnings("unchecked")

    }

    @Test
    @DisplayName("Test appendCol helper method")
    void testAppendCol() {
        StringBuffer sb = new StringBuffer();

        // Test with short string
        ace.appendCol(sb, "test", 10);
        assertEquals("test      ", sb.toString());

        // Test with exact width string
        sb = new StringBuffer();
        ace.appendCol(sb, "exact", 5);

		o = append(o, 0xa2, 0x6f, 0x73)
		o = msgp.AppendUint64(o, z.Objects)
		// string "vs"
		o = append(o, 0xa2, 0x76, 0x73)
		o = msgp.AppendUint64(o, z.Versions)
		// string "dms"
		o = append(o, 0xa3, 0x64, 0x6d, 0x73)
		o = msgp.AppendUint64(o, z.DeleteMarkers)
		// string "szs"
		o = append(o, 0xa3, 0x73, 0x7a, 0x73)
		o = msgp.AppendArrayHeader(o, uint32(dataUsageBucketLen))

	for k := range mapValue {
		keys = append(keys, k)
	}
	sort.Strings(keys)

	for _, k := range keys {
		value := mapValue[k]
		if stmt.Schema != nil {
			if field := stmt.Schema.LookUpField(k); field != nil {
				k = field.DBName
			}
		}

		if v, ok := selectColumns[k]; (ok && v) || (!ok && !restricted) {
			values.Columns = append(values.Columns, clause.Column{Name: k})

				if vs, ok := defaultValueFieldsHavingValue[field]; ok {
					values.Columns = append(values.Columns, clause.Column{Name: field.DBName})
					for idx := range values.Values {
						if vs[idx] == nil {
							values.Values[idx] = append(values.Values[idx], stmt.DefaultValueOf(field))
						} else {
							values.Values[idx] = append(values.Values[idx], vs[idx])
						}
					}
				}
			}
		case reflect.Struct:

        sb.append("CompressionNegotiateContext{");
        sb.append("flags=0x").append(Integer.toHexString(flags));
        sb.append(", algorithms=[");
        if (compressionAlgorithms != null) {
            for (int i = 0; i < compressionAlgorithms.length; i++) {
                if (i > 0)
                    sb.append(", ");
                sb.append(getAlgorithmName(compressionAlgorithms[i]));

        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(createdAt);
        sb.append(dm).append(docId);
        sb.append(dm).append(queryId);
        sb.append(dm).append(url);
        sb.append(dm).append(userInfoId);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");
        return sb.toString();
    }

	o = append(o, 0xa3, 0x72, 0x73, 0x74)
	o = msgp.AppendInt(o, int(z.ResyncStatus))
	// string "fs"
	o = append(o, 0xa2, 0x66, 0x73)
	o = msgp.AppendInt64(o, z.FailedSize)
	// string "frc"
	o = append(o, 0xa3, 0x66, 0x72, 0x63)
	o = msgp.AppendInt64(o, z.FailedCount)
	// string "rs"
	o = append(o, 0xa2, 0x72, 0x73)
	o = msgp.AppendInt64(o, z.ReplicatedSize)
	// string "rrc"