type JSONPathElement struct {
	Key            *ObjectKey `parser:"  @@"`               // ['name'] and .name forms
	Index          *int       `parser:"| \"[\" @Int \"]\""` // [3] form
	ObjectWildcard bool       `parser:"| @\".*\""`          // .* form
	ArrayWildcard  bool       `parser:"| @\"[*]\""`         // [*] form
}

// JSONPath represents a keypath.
// Instances should be treated idempotent and not change once created.
type JSONPath struct {

package cmd

import (
	"syscall"
)

// Returns true if no error and there is no object or prefix inside this directory
func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)
		if err != nil {
			return false
		}

	Get(ctx context.Context, object string, rv remoteVersionID, opts WarmBackendGetOpts) (io.ReadCloser, error)
	Remove(ctx context.Context, object string, rv remoteVersionID) error
	InUse(ctx context.Context) (bool, error)
}

const probeObject = "probeobject"

// checkWarmBackend checks if tier config credentials have sufficient privileges
// to perform all operations defined in the WarmBackend interface.

	t.Run("CheckSchema/"+s.Name, func(t *testing.T) {
		tests.AssertObjEqual(t, s, v, "Name", "Table")

		for idx, field := range primaryFields {
			var found bool
			for _, f := range s.PrimaryFields {
				if f.Name == field {
					found = true
				}
			}

			if idx == 0 {
				if field != s.PrioritizedPrimaryField.Name {

	// of this function is to know if the "drive" has "format.json" or not
	// if it has a "format.json" then is it correct "format.json" or not.
	IsOnline() bool

	// Returns the last time this disk (re)-connected
	LastConn() time.Time

	// Indicates if disk is local or not.
	IsLocal() bool

	// Returns hostname if disk is remote.
	Hostname() string

	// Returns the entire endpoint.
	Endpoint() Endpoint

// ParsesAsDN determines if the given string could be a valid DN based on
// parsing alone.
func (l Config) ParsesAsDN(dn string) bool {
	_, err := ldap.ParseDN(dn)
	return err == nil
}

// IsLDAPUserDN determines if the given string could be a user DN from LDAP.
func (l Config) IsLDAPUserDN(user string) bool {
	udn, err := ldap.ParseDN(user)
	if err != nil {
		return false
	}

	// form http://localhost:8181/v1/data/httpapi/authz
	type opaResultAllow struct {
		Result struct {
			Allow bool `json:"allow"`
		} `json:"result"`
	}

	// Handle simpler OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz/allow
	type opaResult struct {
		Result bool `json:"result"`
	}

	respBody := bytes.NewReader(opaRespBytes)

	var result opaResult

    @Override
    public Future<ProjectSegment> take() throws InterruptedException {
        return null;
    }

    @Override
    public Future<ProjectSegment> poll() {
        return null;
    }

    @Override
    public Future<ProjectSegment> poll(long timeout, TimeUnit unit) throws InterruptedException {
        return null;
    }

	Prefix                Prefix   `xml:"Prefix,omitempty"`
	Tags                  []Tag    `xml:"Tag,omitempty"`
}

// isEmpty returns true if Tags field is null
func (a And) isEmpty() bool {
	return len(a.Tags) == 0 && !a.Prefix.set &&
		a.ObjectSizeGreaterThan == 0 && a.ObjectSizeLessThan == 0
}

// Validate - validates the And field
func (a And) Validate() error {

type ServerConfigV1 struct {
	ServerConfigVersion
	ServerConfigCommon
	Pools [][]string `yaml:"pools"`
}

// ServerConfig represents a MinIO configuration file
type ServerConfig struct {
	ServerConfigVersion
	ServerConfigCommon
	Pools []struct {
		Args          []string `yaml:"args"`
		SetDriveCount uint64   `yaml:"set-drive-count"`
	} `yaml:"pools"`