public override void RelatedChange(Colleague colleague)
{
if (colleague is Manager)
{
Mgr.AddTask();
Dev.DevTask();
Tes.TestTask();
}
else if (colleague is Develop)
{
Dev.SolveProblem();
Tes.VerifyProblem();
}
else if (colleague is Test)
{
Tes.FindProblem();
Mgr.Supervise();
Dev.SolveProblem();
}
}