Microsoft.Azure.Commands.ApiManagement.ApiManagementClient.GetHostnamesToCreateOrUpdate C# (CSharp) Method

        private static IEnumerable<HostnameConfiguration> GetHostnamesToCreateOrUpdate(
            PsApiManagementHostnameConfiguration portalHostnameConfiguration,
            PsApiManagementHostnameConfiguration proxyHostnameConfiguration,
            PsApiManagement currentState)
        {
            if (portalHostnameConfiguration != null)
            {
                yield return new HostnameConfiguration(
                    HostnameType.Portal,
                    portalHostnameConfiguration.Hostname,
                    new CertificateInformation
                    {
                        Thumbprint = portalHostnameConfiguration.HostnameCertificate.Thumbprint,
                        Subject = string.IsNullOrWhiteSpace(portalHostnameConfiguration.HostnameCertificate.Subject) ? "dummy" : portalHostnameConfiguration.HostnameCertificate.Subject
                    });
            }

            if (proxyHostnameConfiguration != null)
            {
                yield return new HostnameConfiguration(
                    HostnameType.Proxy,
                    proxyHostnameConfiguration.Hostname,
                    new CertificateInformation
                    {
                        Thumbprint = proxyHostnameConfiguration.HostnameCertificate.Thumbprint,
                        Subject = string.IsNullOrWhiteSpace(proxyHostnameConfiguration.HostnameCertificate.Subject) ? "dummy" : proxyHostnameConfiguration.HostnameCertificate.Subject
                    });
            }
        }