authnmodel.ApplyToCommonTLSContext(ctx.CommonTlsContext, proxy, serverTLSSettings.SubjectAltNames, serverTLSSettings.CaCrl, []string{}, validateClient)
	// If credential name is specified at gateway config, create  SDS config for gateway to fetch key/cert from Istiod.
	case serverTLSSettings.CredentialName != "":

								},
								ValidationContextSdsSecretConfig: &tls.SdsSecretConfig{
									Name:      "kubernetes://" + credentialName + authn_model.SdsCaSuffix,
									SdsConfig: authn_model.SDSAdsConfig,
								},
							},
						},
					},
					Sni: "some-sni.com",
				},
				err: nil,
			},
		},
		{