code: public static BoxFile createFromIdAndName(String fileId, String name) {
          JsonObject object = new JsonObject();
          object.add(BoxItem.FIELD_ID, fileId);
          object.add(BoxItem.FIELD_TYPE, BoxFile.TYPE);
          if (!TextUtils.isEmpty(name)) {
              object.add(BoxItem.FIELD_NAME, name);
          }
          return new BoxFile(object);
      }
docs: A convenience method to create an empty file with just the id and type fields set. This allows
  the ability to interact with the content sdk in a more descriptive and type safe manner
  
  @param fileId the id of file to create
  @param name the name of the file to create
  @return an empty BoxFile object that only contains id and type information