A new Flutter package.
CommentTreeWidget<Comment, Comment>( ... treeThemeData: TreeThemeData( lineColor: Colors.green[500], lineWidth: 3 ), avatarRoot: (context, data) => PreferredSize(...), avatarChild: (context, data) => PreferredSize(...), contentChild: (context, data) { return ...; }, contentRoot: (context, data) { return ...; })
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