/guava/android/guava/src/com/google/common/collect/Synchronized.java
} return delegate( ).first( ) ;
return delegate ( ) .first ( ) ; }
return sortedSet(delegate().tailSet(fromElement), mutex); } } @Override public E first() { synchronized (mutex) { <extra_id_0> } @Override public E last() { synchronized (mutex) { return delegate().last(); }