diagnosis );
trigger );
    public BeliefState updateBeliefState( BeliefState start_belief,                                          BeliefUpdateTrigger diagnosis )            throws BelievabilityException    {        if (( start_belief == null )            || ( diagnosis == null ))            throw new BelievabilityException                    ( "POMDPModelManager.updateBeliefState()",                      "NULL parameters(s) passed in." );        POMDPAssetModel pomdp_model                = getModel( start_belief.getAssetType() );        return pomdp_model.updateBeliefState( start_belief,                                              diagnosis );    } // method updateBeliefState