message    string
	statusCode int
	cause      error
}

func (err *s3Error) Cause() error {
	return err.cause
}

func (err *s3Error) ErrorCode() string {
	return err.code
}

func (err *s3Error) ErrorMessage() string {
	return err.message
}

func (err *s3Error) HTTPStatusCode() int {
	return err.statusCode
}

func (err *s3Error) Error() string {
	return err.message
}

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)

	return underlyingErrorIs(err, ErrExist)
}

// IsNotExist returns a boolean indicating whether the error is known to
// report that a file or directory does not exist. It is satisfied by
// [ErrNotExist] as well as some syscall errors.
//
// This function predates [errors.Is]. It only supports errors returned by
// the os package. New code should use errors.Is(err, fs.ErrNotExist).
func IsNotExist(err error) bool {

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 (

     * Sends an exception to the user in the <b>error</b> error level.
     * The stack trace for this exception will be output when this error level is enabled.
     *
     * @param error the error that caused this log
     */
    void error(Throwable error);

    void error(Supplier<String> content);

    void error(Supplier<String> content, Throwable error);

            v_, errors_ = field.validate(value, values, loc=loc)

            if isinstance(errors_, list):
                errors.extend(errors_)
            elif errors_:
                errors.append(errors_)
            else:
                values[field.name] = v_
    return values, errors

package nodeagent

import (
	"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}
}

// limitations under the License.

package network

import (
	"errors"
	"net"
	"net/http"
)

func IsUnexpectedListenerError(err error) bool {
	if err == nil {
		return false
	}
	if errors.Is(err, net.ErrClosed) {
		return false
	}
	if errors.Is(err, http.ErrServerClosed) {
		return false
	}
	return true

package lifecycle

import (
	"fmt"
)

// Error is the generic type for any error happening during tag
// parsing.
type Error struct {
	err error
}

// Errorf - formats according to a format specifier and returns
// the string as a value that satisfies error of type tagging.Error
func Errorf(format string, a ...interface{}) error {
	return Error{err: fmt.Errorf(format, a...)}
}

// Unwrap the internal error.