code: public void setDatabasePageSize(Integer bytes, Class<? extends Storable> type) {
          if (mDatabasePageSizes == null) {
              mDatabasePageSizes = new HashMap<Class<?>, Integer>();
          }
          mDatabasePageSizes.put(type, bytes);
      }
docs: Sets the desired page size for a given type. If not specified, the page
  size applies to all types.