/guava/guava/src/com/google/common/collect/CompactHashSet.java
if ( metadata != newEntryIndex) {
if ( metadata != expectedMetadata ) {
indexToRemove = -1; } void incrementExpectedModCount() { expectedMetadata += CompactHashing.MODIFICATION_COUNT_INCREMENT; } private void checkForConcurrentModification() { <extra_id_0> throw new ConcurrentModificationException(); } } }; } @Override