func (sses3) IsEncrypted(metadata map[string]string) bool {
	if _, ok := metadata[MetaSealedKeyS3]; ok {
		return true
	}
	return false
}

// UnsealObjectKey extracts and decrypts the sealed object key
// from the metadata using KMS and returns the decrypted object
// key.
func (s3 sses3) UnsealObjectKey(k *kms.KMS, metadata map[string]string, bucket, object string) (key ObjectKey, err error) {
	if k == nil {

	"crypto/md5"
	"flag"
	"fmt"
	"io"
	"log"
	"net/url"
	"os"
	"path"
	"strconv"
	"strings"
	"time"

	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

var (
	endpoint, accessKey, secretKey string
	minModTimeStr                  string
	bucket, prefix                 string
	debug                          bool
	versions                       bool

type Constraint struct {
	Name            string
	Field           *Field
	Schema          *Schema
	ForeignKeys     []*Field
	ReferenceSchema *Schema
	References      []*Field
	OnDelete        string
	OnUpdate        string
}

func (constraint *Constraint) GetName() string { return constraint.Name }

func (constraint *Constraint) Build() (sql string, vars []interface{}) {

	t := TargetStats{}
	if list == nil {
		return t
	}
	list.RLock()
	defer list.RUnlock()
	t.TargetStats = make(map[string]TargetStat, len(list.targets))
	for id, target := range list.targets {
		t.TargetStats[strings.ReplaceAll(id.String(), ":", "_")] = target.Stat()
	}
	return t
}

// NewTargetList - creates TargetList.
func NewTargetList() *TargetList {

// to do case insensitive checks.
func HasSuffix(s string, suffix string) bool {
	if runtime.GOOS == globalWindowsOSName {
		return strings.HasSuffix(strings.ToLower(s), strings.ToLower(suffix))
	}
	return strings.HasSuffix(s, suffix)
}

// Validates if two strings are equal.
func isStringEqual(s1 string, s2 string) bool {
	if runtime.GOOS == globalWindowsOSName {
		return strings.EqualFold(s1, s2)
	}
	return s1 == s2
}

  public Set<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Set<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /**
   * {@inheritDoc}
   *

  public Set<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Set<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /**
   * {@inheritDoc}
   *

		if len(res) == 0 {
			res = make([]map[string]string, parts)
		}
		b = b[n:]
		for part := 0; part < int(parts); part++ {
			if len(b) < length {
				break
			}
			// Read part checksum
			cs := base64.StdEncoding.EncodeToString(b[:length])
			b = b[length:]
			if res[part] == nil {
				res[part] = make(map[string]string, 1)
			}
			res[part][typ.String()] = cs
		}
	}
	return res
}

		}
	})
}

type Relation struct {
	Name        string
	Type        schema.RelationshipType
	Schema      string
	FieldSchema string
	Polymorphic Polymorphic
	JoinTable   JoinTable
	References  []Reference
}

type Polymorphic struct {
	ID    string
	Type  string
	Value string
}

type JoinTable struct {
	Name   string
	Table  string
	Fields []schema.Field
}

)

type node struct {
	nodeName string
	disks    []string
}

type endpointsList []node

func (el *endpointsList) add(arg string) error {
	u, err := url.Parse(arg)
	if err != nil {
		return err
	}
	found := false
	list := *el
	for i := range list {
		if list[i].nodeName == u.Host {
			list[i].disks = append(list[i].disks, u.String())
			found = true
			break
		}
	}