property ECKeyPairOptions.privateKeyEncoding
          
Usage in Deno
```typescript import { type ECKeyPairOptions } from "node:node__crypto.d.ts"; ```BasePrivateKeyEncodingOptions<PrivF> & { type: "sec1" | "pkcs8";  }
      
    BasePrivateKeyEncodingOptions<PrivF> & { type: "sec1" | "pkcs8";  }