// 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
}

	utilerrors "k8s.io/apimachinery/pkg/util/errors"
	"k8s.io/apimachinery/pkg/util/sets"
)

// Error is an implementation of the 'error' interface, which represents a
// field-level validation error.
type Error struct {
	Type     ErrorType
	Field    string
	BadValue interface{}
	Detail   string
}

var _ error = &Error{}

// Error implements the error interface.
func (v *Error) Error() string {

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

// Unwrap method to return an []error containing a nil error value.
//
// An easy way to create wrapped errors is to call [fmt.Errorf] and apply
// the %w verb to the error argument:
//
//	wrapsErr := fmt.Errorf("... %w ...", ..., err, ...)
//
// Successive unwrapping of an error creates a tree. The [Is] and [As]
// functions inspect an error's tree by examining first the error

*/

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")

	return false
}

// InvalidError is generated when an error caused by invalid API object occurs
// in the storage package.
type InvalidError struct {
	Errs field.ErrorList
}

func (e InvalidError) Error() string {
	return e.Errs.ToAggregate().Error()
}

// IsInvalidError returns true if and only if err is an InvalidError.
func IsInvalidError(err error) bool {
	_, ok := err.(InvalidError)
	return ok
}

// 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
}

func NewForbidden(a Attributes, internalError error) error {
	// do not double wrap an error of same type
	if apierrors.IsForbidden(internalError) {
		return internalError
	}
	name, resource, err := extractResourceName(a)
	if err != nil {
		return apierrors.NewInternalError(utilerrors.NewAggregate([]error{internalError, err}))
	}

// 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.

		}
		var errs []error
		for i, argNum := range p.wrappedErrs {
			if i > 0 && p.wrappedErrs[i-1] == argNum {
				continue
			}
			if e, ok := a[argNum].(error); ok {
				errs = append(errs, e)
			}
		}
		err = &wrapErrors{s, errs}
	}
	p.free()
	return err
}

type wrapError struct {
	msg string
	err error
}

func (e *wrapError) Error() string {
	return e.msg
}