code: public Set<CmsUser> readResponsibleUsers(CmsResource resource) throws CmsException {
  
          return m_securityManager.readResponsibleUsers(m_context, resource);
      }
docs: Returns a set of users that are responsible for a specific resource.<p>
  
  @param resource the resource to get the responsible users from
  
  @return the set of users that are responsible for a specific resource
  
  @throws CmsException if something goes wrong