method Cluster.setupMaster
Usage in Deno
```typescript import { type Cluster } from "node:node__cluster.d.ts"; ```
Cluster.setupMaster(settings?: ClusterSettings): void
Deprecated
since v16.0.0 - use [`.setupPrimary()`](https://nodejs.org/docs/latest-v22.x/api/cluster.html#clustersetupprimarysettings) instead.
optional
settings: ClusterSettings
void