*/

package mergepatch

import (
	"errors"
	"fmt"
	"reflect"
)

var (
	ErrBadJSONDoc                           = errors.New("invalid JSON document")
	ErrNoListOfLists                        = errors.New("lists of lists are not supported")
	ErrBadPatchFormatForPrimitiveList       = errors.New("invalid patch format of primitive list")
	ErrBadPatchFormatForRetainKeys          = errors.New("invalid patch format of retainKeys")

func _() {
	0 /* ERRORx "0 .* is not used" */
	0 /* ERRORx "0 .* is not used" */
	0 // ERRORx "0 .* is not used"
	0 // ERRORx "0 .* is not used"
}

// Don't report spurious errors as a consequence of earlier errors.
// Add more tests as needed.
func _() {
	if err := foo /* ERROR "undefined" */ (); err != nil /* "no error here" */ {}
}

// Use unqualified names for package-local objects.
type T struct{}

limitations under the License.
*/

package errors

import "fmt"

// ErrCorruptCheckpoint error is reported when checksum does not match
var ErrCorruptCheckpoint = fmt.Errorf("checkpoint is corrupted")

// ErrCheckpointNotFound is reported when checkpoint is not found for a given key

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

type Matcher func(error) bool

// FilterOut removes all errors that match any of the matchers from the input
// error.  If the input is a singular error, only that error is tested.  If the
// input implements the Aggregate interface, the list of errors will be
// processed recursively.
//
// This can be used, for example, to remove known-OK errors (such as io.EOF or
// os.PathNotFound) from a list of errors.

}

// InternalError renders a simple internal error
func InternalError(w http.ResponseWriter, req *http.Request, err error) {
	http.Error(w, sanitizer.Replace(fmt.Sprintf("Internal Server Error: %q: %v", req.RequestURI, err)),
		http.StatusInternalServerError)
	utilruntime.HandleError(err)

// 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
}

// IsAlreadyExists determines if the err is an error which indicates that a specified resource already exists.
// It supports wrapped errors and returns false when the error is nil.
func IsAlreadyExists(err error) bool {
	return ReasonForError(err) == metav1.StatusReasonAlreadyExists
}

// IsConflict determines if the err is an error which indicates the provided update conflicts.
// It supports wrapped errors and returns false when the error is nil.

package admission

import (
	"errors"
	"fmt"

	"k8s.io/kubernetes/pkg/kubelet/lifecycle"
)

const (
	ErrorReasonUnexpected = "UnexpectedAdmissionError"
)

type Error interface {
	Error() string
	Type() string
}

type unexpectedAdmissionError struct{ Err error }

var _ Error = (*unexpectedAdmissionError)(nil)

func (e *unexpectedAdmissionError) Error() string {