return ErrProcessDone
	}
	return err
}

func (p *Process) release() error {
	// We clear the Pid field only for API compatibility. On Unix, Release
	// has always set Pid to -1. Internally, the implementation relies
	// solely on statusReleased to determine that the Process is released.
	p.Pid = pidReleased

	switch p.mode {
	case modeHandle:
		// Drop the Process' reference and mark handle unusable for

	"istio.io/istio/pkg/test/framework/components/cluster/kube"
	"istio.io/istio/pkg/test/framework/config"
	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/scopes"
)

// Environment is the implementation of a kubernetes environment. It implements environment.Environment,
// and also hosts publicly accessible methods that are specific to cluster environment.
type Environment struct {
	id       resource.ID

	// Internal optimization: we know kclient will eventually lookup "ns/name"
	// We also have a key in this format.
	// Rather than split and rejoin it later, just pass it as the name
	// This is depending on "unstable" implementation details, but we own both libraries and tests would catch any issues.
	if got := i.inf.Get(string(k), ""); !controllers.IsNil(got) {
		return &got
	}
	return nil
}

	startTime := time.Now()
	source := getSource(2)
	return func(sz int64, err error) {
		globalTrace.Publish(sftpTrace(s, startTime, source, user, err, sz))
	}
}

// NewSFTPDriver initializes sftp.Handlers implementation of following interfaces
//
// - sftp.Fileread
// - sftp.Filewrite
// - sftp.Filelist
// - sftp.Filecmd
func NewSFTPDriver(perms *ssh.Permissions) sftp.Handlers {

//   - connection to a "local" KMS implementation using a static key if the
//     "MINIO_KMS_SECRET_KEY" or "MINIO_KMS_SECRET_KEY_FILE" is present.
//
// It returns an error if connecting to the KMS implementation fails,
// e.g. due to incomplete config, or when configurations for multiple
// KMS implementations are present.
func Connect(ctx context.Context, opts *ConnectionOptions) (*KMS, error) {

// functions for creating SHAKE and cSHAKE instances, as well as utility
// functions for hashing bytes to arbitrary-length output.
//
//
// SHAKE implementation is based on FIPS PUB 202 [1]
// cSHAKE implementations is based on NIST SP 800-185 [2]
//
// [1] https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf
// [2] https://doi.org/10.6028/NIST.SP.800-185

import (
	"encoding/binary"
	"hash"

	RootCertFilePath string
}

// Client interface defines the clients need to implement to talk to CA for CSR.
// The Agent will create a key pair and a CSR, and use an implementation of this
// interface to get back a signed certificate. There is no guarantee that the SAN
// in the request will be returned - server may replace it.
type Client interface {

	}
	switch network {
	case "ip4":
		if ip := ip.To4(); ip != nil {
			return ip, true
		}
	case "ip6":
		if ip.IsLoopback() { // addressing scope of the loopback address depends on each implementation
			return nil, false
		}
		if ip := ip.To16(); ip != nil && ip.To4() == nil {
			return ip, true
		}
	default:
		if ip := ip.To4(); ip != nil {
			return ip, true
		}

	Env []string
	// Files specifies the open files inherited by the new process. The
	// first three entries correspond to standard input, standard output, and
	// standard error. An implementation may support additional entries,
	// depending on the underlying operating system. A nil entry corresponds
	// to that file being closed when the process starts.
	// On Unix systems, StartProcess will change these File values

package types2

import (
	"bytes"
	"fmt"
	"sort"
	"strings"
)

const (
	// Upper limit for recursion depth. Used to catch infinite recursions
	// due to implementation issues (e.g., see issues go.dev/issue/48619, go.dev/issue/48656).
	unificationDepthLimit = 50

	// Whether to panic when unificationDepthLimit is reached.
	// If disabled, a recursion depth overflow results in a (quiet)