30   const stream = new Writable({ objectMode: true });  property
44   const r = new Readable({ objectMode: true });  property
89   const r = new Readable({ objectMode: true });  property
106   const r = new Readable({ objectMode: true });  property
126     objectMode: true  property
143     objectMode: true  property
158     objectMode: true  property
176     objectMode: true  property
207     objectMode: true  property
218   const w = new Writable({ objectMode: true });  property
232   const w = new Writable({ objectMode: true });  property
255     objectMode: true  property
279     objectMode: true  property