code: public BoxRequestsFolder.UpdateFolder getMoveRequest(String id, String parentId) {
          BoxRequestsFolder.UpdateFolder request = new BoxRequestsFolder.UpdateFolder(id, getFolderInfoUrl(id), mSession)
                  .setParentId(parentId);
          return request;
      }
docs: Gets a request that moves a folder to another folder
  
  @param id        id of folder to move
  @param parentId  id of parent folder to move folder into
  @return      request to move a folder