}

func ExampleUnwrap() {
	err1 := errors.New("error1")
	err2 := fmt.Errorf("error2: [%w]", err1)
	fmt.Println(err2)
	fmt.Println(errors.Unwrap(err2))
	// Output:
	// error2: [error1]
	// error1

				{Verb: "create", Resource: "persistentvolumes", Error: errors.New("Mock creation error5")},
			},
			test: wrapTestWithPluginCalls(
				nil, // recycle calls
				[]error{ // delete calls
					errors.New("Mock deletion error1"),
					errors.New("Mock deletion error2"),
					errors.New("Mock deletion error3"),
					errors.New("Mock deletion error4"),

						Detail: "error1",
					},
				},
				{
					Error: &apiservercel.Error{
						Detail: "error2",
					},
				},
				{
					Error: &apiservercel.Error{
						Detail: "error3",
					},
				},
			},
			expected: []error{
				errors.New("error1"),
				errors.New("error2"),
				errors.New("error3"),
			},
		},
		{

// An errorDesc describes part of a type-checking error.
type errorDesc struct {
	pos syntax.Pos
	msg string
}

// An error_ represents a type-checking error.
// A new error_ is created with Checker.newError.
// To report an error_, call error_.report.
type error_ struct {
	check *Checker
	desc  []errorDesc
	code  Code
	soft  bool // TODO(gri) eventually determine this from an error code
}

func Errorf(format string, a ...interface{}) error {
	e := fmt.Errorf(format, a...)
	ee := Error{}
	ee.msg = e.Error()
	ee.cause = errors.Unwrap(e)
	return ee
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.cause }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.msg == "" {
		return "crypto: cause <nil>"
	}
	return e.msg
}

var (

package fmt

import (
	"errors"
	"slices"
)

// Errorf formats according to a format specifier and returns the string as a
// value that satisfies error.
//
// If the format specifier includes a %w verb with an error operand,
// the returned error will implement an Unwrap method returning the operand.
// If there is more than one %w verb, the returned error will implement an

// An errorDesc describes part of a type-checking error.
type errorDesc struct {
	posn positioner
	msg  string
}

// An error_ represents a type-checking error.
// A new error_ is created with Checker.newError.
// To report an error_, call error_.report.
type error_ struct {
	check *Checker
	desc  []errorDesc
	code  Code
	soft  bool // TODO(gri) eventually determine this from an error code
}

	"fmt"
	"go/token"
	"io"
	"sort"
)

// In an [ErrorList], an error is represented by an *Error.
// The position Pos, if valid, points to the beginning of
// the offending token, and the error condition is described
// by Msg.
type Error struct {
	Pos token.Position
	Msg string
}

// Error implements the error interface.
func (e Error) Error() string {
	if e.Pos.Filename != "" || e.Pos.IsValid() {

package grid

import (
	"errors"
	"fmt"
)

var (
	// ErrUnknownHandler is returned when an unknown handler is requested.
	ErrUnknownHandler = errors.New("unknown mux handler")

	// ErrHandlerAlreadyExists is returned when a handler is already registered.
	ErrHandlerAlreadyExists = errors.New("mux handler already exists")

	os.Exit(code)
}

// CheckErr prints a user friendly error to STDERR and exits with a non-zero
// exit code. Unrecognized errors will be printed with an "error: " prefix.
//
// This method is generic to the command in use and may be used by non-Kubectl
// commands.
func CheckErr(err error) {
	checkErr(err, fatal)
}

// preflightError allows us to know if the error is a preflight error or not