apiVersion: release-notes/v2
kind: feature
area: installation
releaseNotes:
- |

apiVersion: release-notes/v2
kind: feature
area: installation
issue:
- https://github.com/istio/istio/issues/40827
releaseNotes:
- |

	"errors"
	"fmt"
)

var ErrPartialAdd = errors.New("partial add error")

type PartialAddError struct {
	inner error
}

func (e *PartialAddError) Error() string {
	return fmt.Sprintf("%s: %v", ErrPartialAdd.Error(), e.inner)
}

func (e *PartialAddError) Unwrap() []error {
	return []error{ErrPartialAdd, e.inner}
}

func NewErrPartialAdd(err error) *PartialAddError {
	return &PartialAddError{
		inner: err,
	}

func (e *SyscallError) Unwrap() error { return e.Err }

// Timeout reports whether this error represents a timeout.
func (e *SyscallError) Timeout() bool {
	t, ok := e.Err.(timeout)
	return ok && t.Timeout()
}

// NewSyscallError returns, as an error, a new [SyscallError]
// with the given system call name and error details.
// As a convenience, if err is nil, NewSyscallError returns nil.

	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 (
	// ErrInvalidEncryptionMethod indicates that the specified SSE encryption method

    // current[i]_ is the actual traversing iterator.
$for j [[

    const typename ParamGenerator<T$j>::iterator begin$(j)_;
    const typename ParamGenerator<T$j>::iterator end$(j)_;
    typename ParamGenerator<T$j>::iterator current$(j)_;
]]

    ParamType current_value_;
  };  // class CartesianProductGenerator$i::Iterator

    // current[i]_ is the actual traversing iterator.
$for j [[

    const typename ParamGenerator<T$j>::iterator begin$(j)_;
    const typename ParamGenerator<T$j>::iterator end$(j)_;
    typename ParamGenerator<T$j>::iterator current$(j)_;
]]

    ParamType current_value_;
  };  // class CartesianProductGenerator$i::Iterator

    // current[i]_ is the actual traversing iterator.
    const typename ParamGenerator<T1>::iterator begin1_;
    const typename ParamGenerator<T1>::iterator end1_;
    typename ParamGenerator<T1>::iterator current1_;
    const typename ParamGenerator<T2>::iterator begin2_;
    const typename ParamGenerator<T2>::iterator end2_;
    typename ParamGenerator<T2>::iterator current2_;

    // current[i]_ is the actual traversing iterator.
    const typename ParamGenerator<T1>::iterator begin1_;
    const typename ParamGenerator<T1>::iterator end1_;
    typename ParamGenerator<T1>::iterator current1_;
    const typename ParamGenerator<T2>::iterator begin2_;
    const typename ParamGenerator<T2>::iterator end2_;
    typename ParamGenerator<T2>::iterator current2_;

	CertGenError
	// CAIllegalConfig means the configuration/deployment parameters for CA are incorrect
	CAIllegalConfig
	// CAInitFail means some other unexpected and fatal initilization failure
	CAInitFail
)

// Error encapsulates the short and long errors.
type Error struct {
	t   ErrType
	err error
}

// Error returns the string error message.
func (e Error) Error() string {