docs: public void unsetK() {
  		double oldK = k;
  		boolean oldKESet = kESet;
  		k = K_EDEFAULT;
  		kESet = false;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.UNSET, BpsimPackage.ERLANG_DISTRIBUTION_TYPE__K, oldK, K_EDEFAULT, oldKESet));
  	}