docs: private boolean isResolved()
  	{
  		if (getStatus() < Command.CHILDREN_PROCESSED)
  		{
  			return false;
  		}
  		for (int i = 0; i < arguments.size(); ++i)
  		{
  			Command arg = arguments.elementAt(i);
  
  			if (!arg.isResolved())
  			{
  				return false;
  			}
  		}
  		for (int j = 0; j < operations.size(); ++j)
  		{
  			Command opr = operations.elementAt(j);
  
  			if (!opr.isResolved())
  			{
  				return false;
  			}
  		}
  		return true;
  	}