/guava/android/guava/src/com/google/common/collect/ConcurrentHashMultiset.java
return containsAll( collection) ;
return standardContainsAll ( collection ) ;
@Override public boolean contains(@CheckForNull Object object) { return object != null && Collections2.safeContains(delegate, object); } @Override public boolean containsAll(Collection<?> collection) { <extra_id_0> } @Override public boolean remove(@CheckForNull Object object) { return object != null && Collections2.safeRemove(delegate, object); } @Override