interface internal.DuplexOptions
Usage in Deno
```typescript import { internal } from "node:node__stream.d.ts"; ```optional
allowHalfOpen: boolean | undefined
optional
readableObjectMode: boolean | undefined
optional
writableObjectMode: boolean | undefined
optional
readableHighWaterMark: number | undefined
optional
writableHighWaterMark: number | undefined
optional
writableCorked: number | undefined