code: public BoxRequestsShare.GetSharedLink getSharedLinkRequest(String sharedLink, String password) {
          BoxSharedLinkSession session = null;
          if (mSession instanceof BoxSharedLinkSession) {
              session = (BoxSharedLinkSession)mSession;
          } else {
              session = new BoxSharedLinkSession(mSession);
          }
  
          session.setSharedLink(sharedLink);
          session.setPassword(password);
          BoxRequestsShare.GetSharedLink request = new BoxRequestsShare.GetSharedLink(getSharedItemsUrl(), session);
          return request;
      }
docs: Returns a request to get a BoxItem from a shared link.
  
  @param sharedLink    shared link of the item to retrieve.
  @param password password for shared link
  @return  request to get a BoxItem from a shared link.