class HttpClient {  constructor(handler: HttpHandler): HttpClient;  request<R>(req: HttpRequest<any>): Observable<HttpEvent<R>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<Blob>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<string>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; observe: "events"; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; reportProgress?: boolean | undefined; observe: "events"; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<any>>;  request<R>(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; reportProgress?: boolean | undefined; observe: "events"; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<R>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  request(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; reportProgress?: boolean | undefined; observe: "response"; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  request<R>(method: string, url: string, options: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; reportProgress?: boolean | undefined; observe: "response"; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; }): Observable<HttpResponse<R>>;  request(method: string, url: string, options?: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; responseType?: "json" | undefined; reportProgress?: boolean | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  request<R>(method: string, url: string, options?: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; responseType?: "json" | undefined; reportProgress?: boolean | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<R>;  request(method: string, url: string, options?: { body?: any; headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; observe?: "body" | "events" | "response" | undefined; reportProgress?: boolean | undefined; responseType?: "arraybuffer" | "blob" | "text" | "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<any>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; body?: any; }): Observable<ArrayBuffer>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<Blob>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<string>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpEvent<ArrayBuffer>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpEvent<Blob>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpEvent<string>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpEvent<Object>>;  delete<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpEvent<T>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpResponse<ArrayBuffer>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpResponse<Blob>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpResponse<string>>;  delete(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpResponse<Object>>;  delete<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; }): Observable<HttpResponse<T>>;  delete(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; } | undefined): Observable<Object>;  delete<T>(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; body?: any; } | undefined): Observable<T>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<Blob>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<string>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Object>>;  get<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<T>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  get(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  get<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<T>>;  get(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  get<T>(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<T>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<Blob>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<string>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Object>>;  head<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<T>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  head(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  head<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<T>>;  head(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  head<T>(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<T>;  jsonp(url: string, callbackParam: string): Observable<Object>;  jsonp<T>(url: string, callbackParam: string): Observable<T>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<Blob>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<string>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Object>>;  options<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<T>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  options(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  options<T>(url: string, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<T>>;  options(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  options<T>(url: string, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; } | undefined): Observable<T>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<Blob>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<string>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Object>>;  patch<T>(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<T>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  patch(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  patch<T>(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<T>>;  patch(url: string, body: any, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  patch<T>(url: string, body: any, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; } | undefined): Observable<T>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<Blob>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<string>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Object>>;  post<T>(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpEvent<T>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  post(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  post<T>(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; }): Observable<HttpResponse<T>>;  post(url: string, body: any, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  post<T>(url: string, body: any, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; transferCache?: boolean | { includeHeaders?: string[] | undefined; } | undefined; timeout?: number | undefined; } | undefined): Observable<T>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<ArrayBuffer>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<Blob>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<string>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<ArrayBuffer>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Blob>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<string>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<Object>>;  put<T>(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "events"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpEvent<T>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "arraybuffer"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<ArrayBuffer>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "blob"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Blob>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType: "text"; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<string>>;  put(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<Object>>;  put<T>(url: string, body: any, options: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; observe: "response"; context?: HttpContext | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; }): Observable<HttpResponse<T>>;  put(url: string, body: any, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; } | undefined): Observable<Object>;  put<T>(url: string, body: any, options?: { headers?: HttpHeaders | Record<string, string | string[]> | undefined; context?: HttpContext | undefined; observe?: "body" | undefined; params?: HttpParams | Record<string, string | number | boolean | readonly (string | number | boolean)[]> | undefined; reportProgress?: boolean | undefined; responseType?: "json" | undefined; withCredentials?: boolean | undefined; credentials?: RequestCredentials | undefined; keepalive?: boolean | undefined; priority?: RequestPriority | undefined; cache?: RequestCache | undefined; mode?: RequestMode | undefined; redirect?: RequestRedirect | undefined; referrer?: string | undefined; integrity?: string | undefined; referrerPolicy?: ReferrerPolicy | undefined; timeout?: number | undefined; } | undefined): Observable<T>;}