private Class<?>[] getTypes(Object... args) {
        Class<?>[] types = new Class<?>[args.length];
        for (int i = 0; i < args.length; i++) {
            types[i] = simplifyType(args[i].getClass());
        }
        return types;
    }
@return the size that each message takes up in bytes
jctools-channels/src/main/java/org/jctools/channels/mapping/Mapper.java