src/main/java/com/workplacesystems/utilsj/collections/decorators/SynchronizedSortedMap.java
public Comparator<? super K> comparator() {
        return SyncUtils.synchronizeRead(lock, new Callback<Comparator<? super K>>() {
            @Override
            protected void doAction() {
                _return(getSortedMap().comparator());
            }
        });
    }
public Comparator<? super K> comparator() {
        return SyncUtils.synchronizeRead(lock, new Callback<Comparator<? super K>>() {
            @Override
            protected void doAction() {
                _return(getSortedMap().comparator());
            }
        });
    }
public Comparator < ? super K > comparator ( ) { return SyncUtils . synchronizeRead ( lock , new Callback < Comparator < ? super K > > ( ) { @ Override protected void doAction ( ) { _return ( getSortedMap ( ) . comparator ( ) ) ; } } ) ; }
-----------------------------------------------------------------------
-----------------------------------------------------------------------