/guava/guava/src/com/google/common/cache/LocalCache.java
valueReference = e.getValueReference( ) ;this.valueReference = valueReference;
this.valueReference = valueReference;
@Override public ValueReference<K, V> getValueReference() { return valueReference; } @Override public void setValueReference(ValueReference<K, V> valueReference) { <extra_id_0> } @Override public int getHash() { return hash; } @Override