} catch (UnsupportedOperationException e) {
        Set<K> toRemove = new HashSet<>();
        for (Entry<K, V> entry : map().entrySet()) {
          if (c.contains(entry.getValue())) {
            toRemove.add(entry.getKey());
          }
        }
        return map().keySet().removeAll(toRemove);
      }
    }

    @Override
    public boolean retainAll(Collection<?> c) {

      } catch (UnsupportedOperationException e) {
        Set<K> toRemove = new HashSet<>();
        for (Entry<K, V> entry : map().entrySet()) {
          if (c.contains(entry.getValue())) {
            toRemove.add(entry.getKey());
          }
        }
        return map().keySet().removeAll(toRemove);
      }
    }

    @Override
    public boolean retainAll(Collection<?> c) {

:checkServiceCmd

if "%LOG_OPTS%" == "" set LOG_OPTS=--LogPath "%LOG_DIR%" --LogPrefix "%SERVICE_ID%" --StdError auto --StdOutput auto

if /i %SERVICE_CMD% == install goto doInstall
if /i %SERVICE_CMD% == remove goto doRemove
if /i %SERVICE_CMD% == start goto doStart
if /i %SERVICE_CMD% == stop goto doStop
if /i %SERVICE_CMD% == manager goto doManagment
echo Unknown option "%SERVICE_CMD%"

:displayUsage
echo.