func (g *Group) TRACE(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodTrace, path, h, m...)
}
TRACE implements `Nio#TRACE()` for sub-routes within the Group.
package nio
import (
	"net/http"
	"path"
)
type (
	Group struct {
		prefix     string
		middleware []MiddlewareFunc
		nio        *Nio
	}
)
func (g *Group) Use(middleware ...MiddlewareFunc) {
	g.middleware = append(g.middleware, middleware...)
	for _, p := range []string{"", "/*"} {
		g.nio.Any(path.Clean(g.prefix+p), func(c Context) error {
			return NotFoundHandler(c)
		}, g.middleware...)
	}
}
func (g *Group) CONNECT(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodConnect, path, h, m...)
}
func (g *Group) DELETE(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodDelete, path, h, m...)
}
func (g *Group) GET(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodGet, path, h, m...)
}
func (g *Group) HEAD(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodHead, path, h, m...)
}
func (g *Group) OPTIONS(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodOptions, path, h, m...)
}
func (g *Group) PATCH(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodPatch, path, h, m...)
}
func (g *Group) POST(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodPost, path, h, m...)
}
func (g *Group) PUT(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
	return g.Add(http.MethodPut, path, h, m...)
}