>>> (indent 4)
    return new Container(
        key: 'ChatApp',
        children: [
          new Container(
              key: 'Content',
              style: _content_style,
              children: appChildren)]);
<<<
    return new Container(
      key: 'ChatApp',
      children: [
        new Container(
          key: 'Content',
          style: _content_style,
          children: appChildren,
        ),
      ],
    );
>>> (indent 10)
          return new Container(
              key: 'ChatApp',
              children: [
                new Container(
                    key: 'Content',
                    style: _content_style,
                    children: appChildren)]);
<<<
          return new Container(
            key: 'ChatApp',
            children: [
              new Container(
                key: 'Content',
                style: _content_style,
                children: appChildren,
              ),
            ],
          );