private static String typeString(byte typeValue) {
        switch (typeValue) {
            case TMessageType.CALL:
                return "CALL";
            case TMessageType.REPLY:
                return "REPLY";
            case TMessageType.EXCEPTION:
                return "EXCEPTION";
            case TMessageType.ONEWAY:
                return "ONEWAY";
            default:
                return "UNKNOWN(" + (typeValue & 0xFF) + ')';
        }
    }
Returns the default {@link SerializationFormat} of this service.
thrift/thrift0.13/src/main/java/com/linecorp/armeria/server/thrift/THttpService.java