code: public String getRole(String link) {
  
          String result = null;
          if (bmd.ivRoleLinkMap != null) {
              result = bmd.ivRoleLinkMap.get(link);
          }
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "getRoleFromLink returning " + result);
          return result;
      }
docs: 366845.11.1