set clipOverlap(ClipOverlapBehavior value) {
    if (_clipOverlap == value) {
      return;
    }
    _clipOverlap = value;
    _markNeedsClip();
  }

import 'package:flutter/material.dart';

void main() {
  runApp(const MaterialApp(home: SliverClipOverlapRepro()));
}

class SliverClipOverlapRepro extends StatefulWidget {
  const SliverClipOverlapRepro({super.key});

  @override
  State<SliverClipOverlapRepro> createState() => _SliverClipOverlapReproState();
}

class _SliverClipOverlapReproState extends State<SliverClipOverlapRepro> {
  bool _clipOverlap = true;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('SliverClipRect Repro'),
      ),
      body: CustomScrollView(
        slivers: <Widget>[
          // Pinned header with semi-transparent background to visualize overlap
          SliverPersistentHeader(
            pinned: true,
            delegate: _PinnedHeaderDelegate(),
          ),
          // Spacer
          const SliverToBoxAdapter(
            child: SizedBox(height: 50.0),
          ),
          // SliverClipRect whose clipOverlap is toggled
          SliverClipRect(
            clipOverlap: _clipOverlap,
            sliver: SliverToBoxAdapter(
              child: Container(
                height: 150.0,
                color: Colors.blue.withOpacity(0.5),
                child: const Center(
                  child: Text(
                    'Content inside SliverClipRect',
                    style: TextStyle(color: Colors.white, fontSize: 20.0),
                  ),
                ),
              ),
            ),
          ),
          const SliverToBoxAdapter(
            child: SizedBox(height: 1000.0),
          ),
        ],
      ),
      floatingActionButton: FloatingActionButton.extended(
        onPressed: () {
          setState(() {
            _clipOverlap = !_clipOverlap;
          });
          print('Toggled clipOverlap to: $_clipOverlap');
        },
        label: Text('Toggle clipOverlap: $_clipOverlap'),
      ),
    );
  }
}

class _PinnedHeaderDelegate extends SliverPersistentHeaderDelegate {
  @override
  Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) {
    return Container(
      color: Colors.red.withOpacity(0.5),
      alignment: Alignment.center,
      child: const Text(
        'Pinned Header (Overlap Creator)',
        style: TextStyle(color: Colors.white, fontSize: 18.0),
      ),
    );
  }

  @override
  double get maxExtent => 100.0;

  @override
  double get minExtent => 100.0;

  @override
  bool shouldRebuild(covariant SliverPersistentHeaderDelegate oldDelegate) => false;
}

import 'package:flutter/material.dart';

void main() {
  runApp(const MaterialApp(home: SliverCustomClipperRepro()));
}

class SliverCustomClipperRepro extends StatefulWidget {
  const SliverCustomClipperRepro({super.key});

  @override
  State<SliverCustomClipperRepro> createState() => _SliverCustomClipperReproState();
}

class _SliverCustomClipperReproState extends State<SliverCustomClipperRepro> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('SliverCustomClipper Overlap Repro'),
      ),
      body: CustomScrollView(
        slivers: <Widget>[
          // Pinned header of 50px
          const SliverPersistentHeader(
            pinned: true,
            delegate: _HeaderDelegate(50.0),
          ),
          // Spacer of 50px
          const SliverToBoxAdapter(
            child: SizedBox(height: 50.0),
          ),
          // SliverClipRect with custom clipper that clips top 100px
          SliverClipRect(
            clipper: const _CustomClipper100(),
            sliver: SliverToBoxAdapter(
              child: Container(
                height: 200.0,
                color: Colors.blue.withOpacity(0.5),
                child: const Center(
                  child: Text(
                    'Content (Top 100px should be clipped)',
                    style: TextStyle(color: Colors.white, fontSize: 18.0),
                  ),
                ),
              ),
            ),
          ),
          const SliverToBoxAdapter(
            child: SizedBox(height: 1000.0),
          ),
        ],
      ),
    );
  }
}

class _CustomClipper100 extends CustomClipper<Rect> {
  const _CustomClipper100();
  @override
  Rect getClip(Size size) => Rect.fromLTRB(0.0, 100.0, size.width, size.height);
  @override
  bool shouldReclip(covariant CustomClipper<Rect> oldClipper) => false;
}

class _HeaderDelegate extends SliverPersistentHeaderDelegate {
  const _HeaderDelegate(this.height);
  final double height;
  @override
  Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) {
    return Container(
      color: Colors.red.withOpacity(0.5),
      alignment: Alignment.center,
      child: Text(
        'Header (Height: $height)',
        style: const TextStyle(color: Colors.white, fontSize: 18.0),
      ),
    );
  }
  @override
  double get maxExtent => height;
  @override
  double get minExtent => height;
  @override
  bool shouldRebuild(covariant _HeaderDelegate oldDelegate) => oldDelegate.height != height;
}