en a private key provider is used, the private key field is replaced with a private key provider field. It contains two fields, provider name and typed config. Typed config is CryptoMbPrivateKeyMethodConfig, and it specifies the private key and the poll delay.</p><p>TLS configuration with just a private key.</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>tls_certificates:
  certificate_chain: { &#34;filename&#34;: &#34;/path/cert.pem&#34; }
  private_key: { &#34;filename&#34;: &#34;