code: public boolean remove(O object) {
  		Integer multiplicity = multiplicities.get(object);
  		if (multiplicities.remove(object) == null) {
  			return false;
  		}
  		decMultiplicityCount(multiplicity);
  		return true;
  	}
docs: Removes the given object from this multiset.
  
  @param object The object to remove.
  @return <code>true</code> if the removal was successful;<br>
  <code>false</code> if the multiset does not contain the given object.