/guava/android/guava/src/com/google/common/collect/Maps.java
return removeOnlySortedSet ( super.headSet ( toElement ) ) ;
@Override public boolean addAll(Collection<? extends E> es) { throw new UnsupportedOperationException(); } @Override public SortedSet<E> headSet(@ParametricNullness E toElement) { <extra_id_0> } @Override public SortedSet<E> subSet( @ParametricNullness E fromElement, @ParametricNullness E toElement) { return removeOnlySortedSet(super.subSet(fromElement, toElement)); }