public static <T> boolean register(Class<T> typeClass, Schema<T> schema)
    {
        if (ID_STRATEGY instanceof DefaultIdStrategy)
            return ((DefaultIdStrategy) ID_STRATEGY).registerPojo(typeClass,
                    schema);

        throw new RuntimeException(
                "RuntimeSchema.register is only supported on DefaultIdStrategy");
    }
Returns true if this there is no existing one or the same schema has already been registered (this must be done
on application startup).
<p>
NOTE: This is only supported when {@link RuntimeEnv#ID_STRATEGY} is {@link DefaultIdStrategy}.
protostuff-runtime/src/main/java/io/protostuff/runtime/RuntimeSchema.java