code: func (m *InjectableEndpoint) MaxHeaderLength() uint16 {
  	minHeaderLen := ^uint16(0)
  	for _, endpoint := range m.routes {
  		if headerLen := endpoint.MaxHeaderLength(); headerLen < minHeaderLen {
  			minHeaderLen = headerLen
  		}
  	}
  	return minHeaderLen
  }
docs: // MaxHeaderLength implements stack.LinkEndpoint.