code: def get_value(self, *args, **kwargs):
          
          if self.qualifier in kwargs.keys():
              # then we have an "override" value that was passed, and we should
              # just return that.
              # Example teff_param.get_value('teff', teff=6000) returns 6000
              return kwargs.get(self.qualifier)
          return None
docs: This method should be overriden by any subclass of Parameter, and should
          be decorated with the @update_if_client decorator.
          Please see the individual classes documentation:
  
              * :meth:`FloatParameter.get_value`
              * :meth:`ArrayParameter.get_value`
              * :meth:`HierarchyParameter.get_value`
              * :meth:`IntParameter.get_value`
              * :meth:`BoolParameter.get_value`
              * :meth:`ChoiceParameter.get_value`
              * :meth:`ConstraintParameter.get_value`
              * :meth:`HistoryParameter.get_value`
  
          If subclassing, this method needs to:
              * cast to the correct type/units, handling defaults
  
          :raises NotImplementedError: because this must be subclassed