HttpClientCommonOptions

    
      interface HttpClientCommonOptions extends Omit<HttpRequestOptions, 'headers' | 'params'> {  headers?: HttpHeaders | { [header: string]: string | string[]; } | undefined;  observe?: "body" | "events" | "response" | undefined;  params?: HttpParams | { [param: string]: string | number | boolean | readonly (string | number | boolean)[]; } | undefined;  override context?: HttpContext | undefined;  override reportProgress?: boolean | undefined;  override responseType?: HttpResponseType | undefined;  override withCredentials?: boolean | undefined;  override credentials?: RequestCredentials | undefined;  override keepalive?: boolean | undefined;  override priority?: RequestPriority | undefined;  override cache?: RequestCache | undefined;  override mode?: RequestMode | undefined;  override redirect?: RequestRedirect | undefined;  override referrer?: string | undefined;  override integrity?: string | undefined;  override referrerPolicy?: ReferrerPolicy | undefined;  override transferCache?: HttpTransferCacheRequestOptions | undefined;  override timeout?: number | undefined;}