static ClockNormalizer ofOnlyMode(ClockUnit unit) {

        ClockNormalizer ret = MAP_ONLY.get(unit);

        if (ret == null) {
            throw new IllegalArgumentException(unit.name());
        }

        return ret;

    }
static ClockNormalizer ofOnlyMode ( ClockUnit unit ) { ClockNormalizer ret = MAP_ONLY . get ( unit ) ; if ( ret == null ) { throw new IllegalArgumentException ( unit . name ( ) ) ; } return ret ; }
<p>Liefert einen passenden Normalisierer. </p>

@param   unit    clock unit
@return  unique normalizer instance