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