@Override
public boolean containsAll(Collection<?> c) {
synchronized (mutex) {
return Collections2.containsAllImpl(delegate(), c);
}
}
/**
* A sensible definition of {@link #containsAll} in terms of {@link #contains} . If you override
* {@link #contains}, you may wish to override {@link #containsAll} to forward to this
* implementation.
*
* @since 7.0
*/
protected boolean standardContainsAll(Collection<?> collection) {
return Collections2.containsAllImpl(this, collection);
}