问题 We are using Swagger IO CodeGen, to create Angular API Service Proxies? Currently linking Net Core 3 APIs with Angular Typescript. https://editor.swagger.io/ public addProduct(product?: string, observe?: 'body', reportProgress?: boolean): Observable<CreatePropertyResponse>; public addProduct(product?: string, observe?: 'response', reportProgress?: boolean): Observable<HttpResponse<CreatePropertyResponse>>; public addProduct(product?: string, observe?: 'events', reportProgress?: boolean):