94     pub(crate) async fn append(&self, chunks: Vec<ChunkPayloadData>) {  in append()
95         if chunks.is_empty() {  in append()
99         let total_user_data_len = chunks.iter().fold(0, |acc, c| acc + c.user_data.len());  in append()
102             self.append_large(chunks).await  in append()
111             self.append_unlimited(chunks, total_user_data_len);  in append()
116     async fn append_large(&self, chunks: Vec<ChunkPayloadData>) {  in append_large()
120         for chunk in chunks.into_iter() {  in append_large()
139     fn append_unlimited(&self, chunks: Vec<ChunkPayloadData>, total_user_data_len: usize) {  in append_unlimited()
140         let chunks_len = chunks.len();  in append_unlimited()
141         let unordered = chunks  in append_unlimited()
148                 chunks.iter().all(|c| c.unordered),  in append_unlimited()
151             unordered_queue.extend(chunks);  in append_unlimited()
155                 chunks.iter().all(|c| !c.unordered),  in append_unlimited()
158             ordered_queue.extend(chunks);  in append_unlimited()