ConversationScreenWidget constructor Null safety

ConversationScreenWidget(
  1. Conversation conversation,
  2. {Key? key,
  3. dynamic data,
  4. EdgeInsets listPadding = Dimens.padding_zero,
  5. EdgeInsets listMargin = Dimens.margin_zero,
  6. EdgeInsets itemPadding = Dimens.padding_small,
  7. EdgeInsets itemMargin = Dimens.margin_zero,
  8. EdgeInsets writerPadding = Dimens.padding_small,
  9. EdgeInsets writerMargin = Dimens.margin_zero,
  10. DataCallback? onFetch,
  11. DataCallback? onPress,
  12. DataCallback? onReport,
  13. DataCallback? onCopy,
  14. DataCallback? onWrite}
)