code: public R setAccess(BoxSharedLink.Access access) {
          JsonObject jsonObject = getSharedLinkJsonObject();
          jsonObject.add(BoxSharedLink.FIELD_ACCESS, SdkUtils.getAsStringSafely(access));
          BoxSharedLink sharedLink = new BoxSharedLink(jsonObject);
          mBodyMap.put(BoxItem.FIELD_SHARED_LINK, sharedLink);
          return (R) this;
      }
docs: Sets the shared link access for the item in the request.
  
  @param access    new shared link access for the item.
  @return  request with the updated shared link access.