if err != nil {
		return nil, err
	}

	// Anonymous request return quickly.
	if accessKey == "" || secretKey == "" {
		return req, nil
	}

	for k, v := range headers {
		req.Header.Set(k, v)
	}

	err = signRequestV4(req, accessKey, secretKey)
	if err != nil {
		return nil, err
	}

	return req, nil
}

				return tx.Where("z = 0").Scopes(
					func(d *gorm.DB) *gorm.DB { return d.Where("a = 1") },
					func(d *gorm.DB) *gorm.DB {
						return d.Or(DB.Where("b = 2").Or("c = 3"))
					},
				).Find(&Language{})
			},
			expected: `SELECT * FROM "languages" WHERE z = 0 AND a = 1 OR (b = 2 OR c = 3)`,
		}, {
			name: "depth_2",
			queryFn: func(tx *gorm.DB) *gorm.DB {
				return tx.Scopes(

  }

  if (address[10] != 255.toByte()) return false
  if (address[11] != 255.toByte()) return false

  return true
}

/** Encodes an IPv4 address in canonical form according to RFC 4001. */
internal fun inet4AddressToAscii(address: ByteArray): String {
  require(address.size == 4)
  return Buffer()
    .writeDecimalLong((address[0] and 0xff).toLong())
    .writeByte('.'.code)

		return
	}
	err = en.WriteString(z.FilePath)
	if err != nil {
		err = msgp.WrapError(err, "FilePath")
		return
	}
	// write "fi"
	err = en.Append(0xa2, 0x66, 0x69)
	if err != nil {
		return
	}
	err = z.FI.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "FI")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler

			bugLogIf(context.Background(), err)
			return -1, err
		}
		if tmp.First == "" && tmp.Last == "" && tmp.EOS {
			return 0, errFileNotFound
		}
		if tmp.First >= search {
			o.debugln("First >= search", v)
			return i, nil
		}
		if tmp.Last >= search {
			o.debugln("Last >= search", v)
			return i, nil
		}
		if tmp.EOS {
			o.debugln("no match, at EOS", v)
			return -3, io.EOF
		}

    }


    /**
     * @return the informationLevel
     */
    public int getInformationLevel () {
        return this.informationLevel;
    }


    /**
     * @return the filesystem info
     */
    public FileSystemInformation getInfo () {
        return this.info;
    }


    /**
     * @param clazz
     * @return the filesystem info
     * @throws CIFSException
     */

	if err != nil {
		return
	}
	err = en.WriteTime(z.Time)
	if err != nil {
		err = msgp.WrapError(err, "Time")
		return
	}
	// write "Token"
	err = en.Append(0xa5, 0x54, 0x6f, 0x6b, 0x65, 0x6e)
	if err != nil {
		return
	}
	err = en.WriteString(z.Token)
	if err != nil {
		err = msgp.WrapError(err, "Token")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler

			if err != nil {
				err = msgp.WrapError(err, "SecretKey")
				return
			}
		case "SessionToken":
			z.SessionToken, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "SessionToken")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable

	defer cancel()
	if err != nil {
		return nil, err
	}

	if r.Count == 0 {
		key = strings.TrimSuffix(key, etcdPathSeparator)
		r, err = c.etcdClient.Get(ctx, key)
		if err != nil {
			return nil, err
		}
		// only if we are looking at `domain` as true
		// we should return error here.
		if domain && r.Count == 0 {
			return nil, ErrDomainMissing
		}
	}

		return
	}
	// write "id"
	err = en.Append(0xa2, 0x69, 0x64)
	if err != nil {
		return
	}
	err = en.WriteString(z.ID)
	if err != nil {
		err = msgp.WrapError(err, "ID")
		return
	}
	// write "pf"
	err = en.Append(0xa2, 0x70, 0x66)
	if err != nil {
		return
	}
	err = en.WriteFloat64(z.PercentFreeGoal)
	if err != nil {
		err = msgp.WrapError(err, "PercentFreeGoal")
		return
	}