code: def instance_default(self, obj):
          ''' Get the default value that will be used for a specific instance.
  
          Args:
              obj (HasProps) : The instance to get the default value for.
  
          Returns:
              object
  
          '''
          return self.property.themed_default(obj.__class__, self.name, obj.themed_values()f instance_default(self, obj):
          ''' Get the default value that will be used for a specific instance.
  
          Args:
              obj (HasProps) : The instance to get the default value for.
  
          Returns:
              object
  
          '''
          return self.property.themed_default(obj.__class__, self.name, obj.themed_values())
docs: Get the default value that will be used for a specific instance.
  
          Args:
              obj (HasProps) : The instance to get the default value for.
  
          Returns:
              object