result.Pets = append(user.Pets, result.Pets...)
	result.Team = append(user.Team, result.Team...)
	result.Friends = append(user.Friends, result.Friends...)

	sort.Slice(result.Pets, func(i, j int) bool {
		return result.Pets[i].ID < result.Pets[j].ID
	})

   * [rfc_7468]: https://tools.ietf.org/html/rfc7468
   */
  fun privateKeyPkcs8Pem(): String =
    buildString {
      append("-----BEGIN PRIVATE KEY-----\n")
      encodeBase64Lines(keyPair.private.encoded.toByteString())
      append("-----END PRIVATE KEY-----\n")
    }

  /**
   * Returns the RSA private key encoded in [PKCS #1][rfc_8017] [PEM format][rfc_7468].
   *

}

// MergeClause merge order by clauses
func (returning Returning) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(Returning); ok && len(returning.Columns) > 0 {
		if v.Columns != nil {
			returning.Columns = append(v.Columns, returning.Columns...)
		} else {
			returning.Columns = nil
		}
	}
	clause.Expression = returning

     */
    @Override
    public String toString() {
        StringBuilder ret = new StringBuilder("S-").append(revision & 0xFF).append("-");

        if (identifier_authority[0] != (byte) 0 || identifier_authority[1] != (byte) 0) {
            ret.append("0x");
            ret.append(Hexdump.toHexString(identifier_authority, 0, 6));
        } else {
            long shift = 0;
            long id = 0;

        StringBuilder sb = new StringBuilder("WITNESS-");
        for (int i = 0; i < Math.min(contextHandle.length, 8); i++) {
            sb.append(String.format("%02X", contextHandle[i] & 0xFF));
        }
        sb.append("-").append(shareName.hashCode());

        return sb.toString();
    }

    /**
     * Checks if the client is connected to the witness service.
     *

    }

    @Override
    public String toString() {
      StringBuilder builder = new StringBuilder(size() * 10);
      builder.append('[').append(array[start]);
      for (int i = start + 1; i < end; i++) {
        builder.append(", ").append(array[i]);
      }
      return builder.append(']').toString();
    }

    long[] toLongArray() {
      return Arrays.copyOfRange(array, start, end);
    }

	for i := start; i <= number; i++ {
		if paddinglen == 0 {
			seq = append(seq, fmt.Sprintf("%x", i))
		} else {
			seq = append(seq, fmt.Sprintf(fmt.Sprintf("%%0%dx", paddinglen), i))
		}
	}
	return seq
}

func getSequences(start int, number int, paddinglen int) (seq []string) {
	for i := start; i <= number; i++ {
		if paddinglen == 0 {
			seq = append(seq, fmt.Sprintf("%d", i))
		} else {

                for (final char c : value.toCharArray()) {
                    if (CharUtil.isUrlChar(c) || c == ' ') {
                        buf.append(c);
                    } else {
                        try {
                            buf.append(URLEncoder.encode(String.valueOf(c), Constants.UTF_8));
                        } catch (final UnsupportedEncodingException e) {
                            // NOP

	}
	for _, elem := range elems.Elements {
		v, err := sql.IterToValue(elem.Iter)
		if err != nil {
			v, err = elem.Iter.Interface()
			if err != nil {
				panic(err)
			}
		}
		dst.KVS = append(dst.KVS, jstream.KV{
			Key:   elem.Name,
			Value: v,
		})
	}
	return dst, nil
}

// Set - sets the value for a column name.
func (r *Record) Set(name string, value *sql.Value) (sql.Record, error) {

}

func (p Pair[X1, _]) First() X1 {
	return p.f1
}

func (p Pair[_, X2]) Second() X2 {
	return p.f2
}

// Deprecated: Use something else.
func Clone[S ~[]T, T any](s S) S {
	return append(S(nil), s...)