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