@property
    def extra_state_attributes(self) -> Mapping[str, Any] | None:
        """Return entity specific state attributes."""
        if self.entity_data.entity.extra_state_attribute_names is not None:
            state_data = self.entity_data.entity.state
            extra_state_attributes = {}
            for name in self.entity_data.entity.extra_state_attribute_names:
                if name in state_data and state_data[name] is not None:
                    extra_state_attributes[name] = state_data[name]
            return extra_state_attributes
        return None