y/watermark.go
func (w *WaterMark) DoneMany(indices []uint64) {
	w.markCh <- mark{index: 0, indices: indices, done: true}
}
func (w *WaterMark) DoneMany(indices []uint64) {
	w.markCh <- mark{index: 0, indices: indices, done: true}
}
func ( w * WaterMark ) DoneMany ( indices [ ] uint64 ) { w . markCh <- mark { index : 0 , indices : indices , done : true } }
// DoneMany works like Done but accepts multiple indices.
DoneMany works like Done but accepts multiple indices .