}

	// If we cannot decode, just return read quorum error.
	return nil, fmt.Errorf("%w (offline-disks=%d/%d)", errErasureReadQuorum, disksNotFound, len(p.readers))
}

// Decode reads from readers, reconstructs data if needed and writes the data to the writer.
// A set of preferred drives can be supplied. In that case they will be used and the data reconstructed.

    }

    public void test_encode() {
        assertNull(permissionHelper.encode(null));
        assertNull(permissionHelper.encode(""));
        assertNull(permissionHelper.encode(" "));
        assertNull(permissionHelper.encode("{user}"));
        assertNull(permissionHelper.encode("{role}"));
        assertNull(permissionHelper.encode("{group}"));
        assertNull(permissionHelper.encode("(allow)"));

  val tag: Long,
  /** Encode and decode the value once tags are handled. */
  private val codec: Codec<T>,
  /** True if the default value should be used if this value is absent during decoding. */
  val isOptional: Boolean = false,
  /** The value to return if this value is absent. Undefined unless this is optional. */
  val defaultValue: T? = null,
  /** True to set the encoded or decoded value as the type hint for the current SEQUENCE. */

    private static final char PAD = '=';

    private static final byte[] DECODE_TABLE = new byte[128];
    static {
        for (int i = 0; i < DECODE_TABLE.length; i++) {
            DECODE_TABLE[i] = Byte.MAX_VALUE;
        }
        for (int i = 0; i < ENCODE_TABLE.length; i++) {
            DECODE_TABLE[ENCODE_TABLE[i]] = (byte) i;
        }
    }

    /**
     * Base64でエンコードします。
     *

        return stream(getRoles()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        return stream(getGroups()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    private String decode(final String value) {
        return new String(Base64.getDecoder().decode(value), Constants.CHARSET_UTF_8);
    }

    @Override

  } catch (nsee: NoSuchElementException) {
    throw IllegalArgumentException("failed to decode certificate", nsee)
  } catch (iae: IllegalArgumentException) {
    throw IllegalArgumentException("failed to decode certificate", iae)
  } catch (e: GeneralSecurityException) {
    throw IllegalArgumentException("failed to decode certificate", e)
  }
}

/**
 * Returns the certificate encoded in [PEM format][rfc_7468].
 *

            result = buf.dec_ndr_long();
        } else {                        /* Bind_ack or Response */
            decode_out(buf);
        }
    }

    public abstract int getOpnum();
    public abstract void encode_in(NdrBuffer buf) throws NdrException;
    public abstract void decode_out(NdrBuffer buf) throws NdrException;

    assertNull(Punycode.decode("xn--a-9b.net"))
    assertEquals("a՚.net", Punycode.decode("xn--a-99b.net"))
    assertEquals("a溠.net", Punycode.decode("xn--a-999b.net"))
    assertEquals("a\uD8E2\uDF5C.net", Punycode.decode("xn--a-9999b.net"))
    assertNull(Punycode.decode("xn--a-99999b.net"))
  }

  @Test fun dashInPrefix() {
    testEncodeDecode(
      unicode = "klmnöpqrst-uvwxy",

    @Override
    public void decode ( NdrBuffer buf ) throws NdrException {
        decode_header(buf);

        if ( this.ptype != 12 && this.ptype != 2 && this.ptype != 3 && this.ptype != 13 )
            throw new NdrException("Unexpected ptype: " + this.ptype);

        if ( this.ptype == 2 || this.ptype == 3 ) { /* Response or Fault */
            this.alloc_hint = buf.dec_ndr_long();

            _dst.advance(1 * _nodes);

            _dst = _dst.derive(_nodei);
            for (int _i = 0; _i < _nodes; _i++) {
                _dst.enc_ndr_small(node[_i]);
            }
        }
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);
            time_low = (int)_src.dec_ndr_long();
            time_mid = (short)_src.dec_ndr_short();
            time_hi_and_version = (short)_src.dec_ndr_short();