)

// Type represents an AWS SSE type:
//   - SSE-C
//   - SSE-S3
//   - SSE-KMS
type Type interface {
	fmt.Stringer

	IsRequested(http.Header) bool
	IsEncrypted(map[string]string) bool
}

// IsRequested returns true and the SSE Type if the HTTP headers
// indicate that some form server-side encryption is requested.
//
// If no SSE headers are present then IsRequested returns false

  }

  /**
   * If a value is present in {@code optional}, returns a stream containing only that element,
   * otherwise returns an empty stream.
   */
  public static <T> Stream<T> stream(com.google.common.base.Optional<T> optional) {
    return optional.isPresent() ? Stream.of(optional.get()) : Stream.empty();
  }

  /**
   * If a value is present in {@code optional}, returns a stream containing only that element,

        return !((java.util.Optional<?>) value).isPresent();
      } else if (value instanceof OptionalInt) {
        return !((OptionalInt) value).isPresent();
      } else if (value instanceof OptionalLong) {
        return !((OptionalLong) value).isPresent();
      } else if (value instanceof OptionalDouble) {
        return !((OptionalDouble) value).isPresent();
      } else if (value instanceof Optional) {

// Operand grammar follows below

// Expression represents a logical disjunction of clauses
type Expression struct {
	And []*AndCondition `parser:"@@ ( \"OR\" @@ )*"`
}

// ListExpr represents a literal list with elements as expressions.
type ListExpr struct {
	Elements []*Expression `parser:"\"(\" @@ ( \",\" @@ )* \")\" | \"[\" @@ ( \",\" @@ )* \"]\""`
}

// AndCondition represents logical conjunction of clauses

	}

	*output = OutputSerialization(parsedOutput)
	output.unmarshaled = true
	return nil
}

// RequestProgress - represents elements inside <RequestProgress/> in request XML.
type RequestProgress struct {
	Enabled bool `xml:"Enabled"`
}

// ScanRange represents the ScanRange parameter.
type ScanRange struct {

  }

  /**
   * If a value is present in {@code optional}, returns a stream containing only that element,
   * otherwise returns an empty stream.
   */
  public static <T> Stream<T> stream(com.google.common.base.Optional<T> optional) {
    return optional.isPresent() ? Stream.of(optional.get()) : Stream.empty();
  }

  /**
   * If a value is present in {@code optional}, returns a stream containing only that element,

	}
	return r, err
}

// ReplicationState represents internal replication state
type ReplicationState struct {
	ReplicaTimeStamp          time.Time              // timestamp when last replica update was received
	ReplicaStatus             replication.StatusType // replica statusstringis
	DeleteMarker              bool                   // represents DeleteMarker replication state

            }
        });
        options.altUserSettings()
                .ifPresent(userSettings ->
                        failIfFileNotExists(context, userSettings, "The specified user settings file does not exist"));
        options.altProjectSettings()
                .ifPresent(projectSettings -> failIfFileNotExists(

	StoreExtension = ".event"
)

// Identity represents access key who caused the event.
type Identity struct {
	PrincipalID string `json:"principalId"`
}

// Bucket represents bucket metadata of the event.
type Bucket struct {
	Name          string   `json:"name"`
	OwnerIdentity Identity `json:"ownerIdentity"`
	ARN           string   `json:"arn"`
}

// Object represents object metadata of the event.
type Object struct {

	openIDConfigs, err := s.GetAvailableTargets(config.IdentityOpenIDSubSys)
	if err != nil {
		return nil, err
	}

	present := slices.Contains(openIDConfigs, cfgName)

	if !present {
		return nil, ErrProviderConfigNotFound
	}

	kvsrcs, err := s.GetResolvedConfigParams(config.IdentityOpenIDSubSys, cfgName, true)
	if err != nil {
		return nil, err
	}