You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: errors.go
    path of file: ./repos/grafana/pkg/util/errutil
    
    the code of the file until where you have to start completion: package errutil

import (
	"errors"
	"fmt"
)

// Base represents the static information about a specific error.
// Always use [NewBase] to create new instances of Base.
type Base struct {
	// Because Base is typically ins
    
func (e Error) Public() PublicError {
	message := e.PublicMessage
	if message == "" {
		if e.Reason == StatusUnknown {
			// The unknown status is equal to the empty string.
			message = string(StatusInternal)
		} else {
			message = string(e.Reason.Status())
		}
	}

	return PublicError{
		StatusCode: e.Reason.Status().HTTPStatus(),
		MessageID:  e.MessageID,
		Message:    message,
		Extra:      e.PublicPayload,
	}
}