/guava/guava/src/com/google/common/collect/Synchronized.java
if ( ( entrySet) == null) {   entrySet = typePreservingSet( delegate( ).entrySet( ) , mutex) ; }
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} } @Override public Collection<Collection<V>> values() { synchronized (mutex) { if (asMapValues == null) { <extra_id_0> } return asMapValues; } } @Override public boolean containsValue(@CheckForNull Object o) {