sessionOptions.certs(仅限客户端)
🌐 sessionOptions.certs (client only)
用于客户端会话的 TLS 证书。对于服务器会话,证书在 sessionOptions.sni 映射中按身份指定。
🌐 The TLS certificates to use for client sessions. For server sessions,
certificates are specified per-identity in the sessionOptions.sni map.