private static EndpointCertificateMetadata.Provider providerOf(String name) {
        return switch (name) {
            case "digicert" -> digicert;
            case "globalsign" -> globalsign;
            case "zerossl" -> zerossl;
            case "letsencrypt" -> letsencrypt;
            default -> digicert;
        };
    }
(de)serializes endpoint certificate metadata

@author andreer
configserver/src/main/java/com/yahoo/vespa/config/server/tenant/EndpointCertificateMetadataSerializer.java