/guava/guava/src/com/google/common/collect/StandardTable.java
removeAll( c) ;
checkNotNull ( c ) ;
return true; } return false; } @Override public boolean removeAll(Collection<?> c) { <extra_id_0> return Sets.removeAllImpl(this, c.iterator()); } @Override public boolean retainAll(Collection<?> c) { checkNotNull(c); boolean changed = false;