return
	}
	b.pool.Put(&buf)
}

func (b *bufPool) Get() []byte {
	bufp := b.pool.Get()
	if bufp == nil || cap(*bufp) < b.sz {
		return make([]byte, 0, b.sz)
	}
	return (*bufp)[:b.sz]
}

func newBufPool(sz int) httputil.BufferPool {
	return &bufPool{sz: sz, pool: bpool.Pool[*[]byte]{
		New: func() *[]byte {
			buf := make([]byte, sz)
			return &buf
		},
	}}
}