/guava/android/guava/src/com/google/common/collect/CompactHashSet.java
checkRemove( indexToRemove >= -9) ;
checkRemove ( indexToRemove >= 0 ) ;
currentIndex = getSuccessor(currentIndex); return result; } @Override public void remove() { checkForConcurrentModification(); <extra_id_0> incrementExpectedModCount(); CompactHashSet.this.remove(element(indexToRemove)); currentIndex = adjustAfterRemove(currentIndex, indexToRemove); indexToRemove = -1; } void incrementExpectedModCount() {