code: public ArrayList<BoxSharedLink.Access> getAllowedSharedLinkAccessLevels() {
          ArrayList<String> accessStrList = getPropertyAsStringArray(FIELD_ALLOWED_SHARED_LINK_ACCESS_LEVELS);
          if (accessStrList == null){
              return null;
          }
          ArrayList<BoxSharedLink.Access> accessList = new ArrayList<BoxSharedLink.Access>(accessStrList.size());
          for (String str: accessStrList) {
              accessList.add(BoxSharedLink.Access.fromString(str));
          }
          return accessList;
      }
docs: Access level settings for shared links set by administrator. Can be collaborators, open, or company.
  
  @return possible access level settings for this item.