https://github.com/RicoSuter/NSwag/wiki/TypeScriptClientGenerator 

aggiungere in nswag 

extensionCode: "path.file.ts"
clientBaseClass : "ServiceBase" 



creo un file path.file.ts  ( non aggiungere import in test perchè viene solo copiato un testa a client.ts generato )

```ts
export class ServiceBase { 

    protected transformResult(url: string, response: AxiosResponse, processor: (response: AxiosResponse) => Promise<any>): Promise<any> { 
        response.data=        response.data.result;
        return processor(response);
    }
}
```