// Package oserror defines errors values used in the os package.
//
// These types are defined here to permit the syscall package to reference them.
package oserror

import "errors"

var (
	ErrInvalid    = errors.New("invalid argument")
	ErrPermission = errors.New("permission denied")
	ErrExist      = errors.New("file already exists")
	ErrNotExist   = errors.New("file does not exist")

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.

func NewInvalidError(errors field.ErrorList) InvalidError {
	return InvalidError{errors}
}

// InternalError is generated when an error occurs in the storage package, i.e.,
// not from the underlying storage backend (e.g., etcd).
type InternalError struct {
	Reason string
}

func (e InternalError) Error() string {
	return e.Reason
}

// IsInternalError returns true if and only if err is an InternalError.

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")

limitations under the License.
*/

package etcd3

import (
	"k8s.io/apimachinery/pkg/api/errors"
	"k8s.io/apiserver/pkg/storage"

	etcdrpc "go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
)

func interpretWatchError(err error) error {
	switch {
	case err == etcdrpc.ErrCompacted:
		return errors.NewResourceExpired("The resourceVersion for the provided watch is too old.")
	}
	return 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
}

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

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 {

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{}

	"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() {