code: @Deprecated
      public Group updateGroup(String id, UpdateGroup updateGroup, AccessToken accessToken) {
          return getGroupService().updateGroup(id, updateGroup, accessToken);
      }
docs: update the group of the given id with the values given in the Group Object. For more detailed information how to
  set new field. Update Fields or to delete Fields please look in the documentation
  
  @param id          id of the Group to be updated
  @param updateGroup all Fields that need to be updated
  @param accessToken the OSIAM access token from for the current session
  @return the updated group Object
  @throws UnauthorizedException             if the request could not be authorized.
  @throws ConflictException                 if the Group could not be updated
  @throws NoResultException                 if no group with the given id can be found
  @throws ForbiddenException                if the scope doesn't allow this request
  @throws ConnectionInitializationException if the connection to the given OSIAM service could not be initialized
  @throws IllegalStateException             if OSIAM's endpoint(s) are not properly configured
  @see <a href="https://github.com/osiam/connector4java/docs/working-with-groups
  .md#search-for-groups">Working with groups</a>
  @deprecated Updating with PATCH has been removed in OSIAM 3.0. This method is going to go away with version 1.12 or 2.0.