pkg/transport/listener.go
func (info TLSInfo) cafiles() []string {
	cs := make([]string, 0)
	if info.TrustedCAFile != "" {
		cs = append(cs, info.TrustedCAFile)
	}
	return cs
}
func (info TLSInfo) cafiles() []string {
	cs := make([]string, 0)
	if info.TrustedCAFile != "" {
		cs = append(cs, info.TrustedCAFile)
	}
	return cs
}
// cafiles returns a list of CA file paths.