secretfilter

type Filter interface {
	Allow(string)
	IsAllowed(string) bool
	FilterURL(url *url.URL) *url.URL
	FilterURLString(url string) string
	FilterURLStringThrough(source string, target string) string
	FilterQueryParams(params url.Values) url.Values
	FilterURLError(errURL string, err *url.Error) *url.Error
}