import { HttpClient, HttpHeaders, HttpContext, HttpParams, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';
import { Subject, Observable } from 'rxjs';
import * as i0 from '@angular/core';

interface CacheOptions<Res = any, Ext = any> {
    /**
     * collect - collecting response body as table, maxSize parameter controls max size of table
     * reload - force to reload cache (send request)
     */
    type?: 'collect' | 'reload';
    /**
     * Work with type='collect'
     */
    maxSize?: number;
    data?: any;
    name?: string;
    external?: Ext;
    withCacheItem?: boolean;
    /** list of keys to clear */
    clear?: string[];
    /** list of keys to retrigger */
    retrigger?: string[];
    convert?: (data: Res) => any;
    reloadOn?: (data: CacheItem<Res, Ext>) => boolean;
}
declare class CacheModel<Res = any, Ext = any> {
    options?: CacheOptions<Res, Ext> | undefined;
    constructor(options?: CacheOptions<Res, Ext> | undefined);
}

interface CacheItem<Res, Ext = any> {
    body: Res;
    reqBody?: any;
    triggeredAt: Date;
    method: 'get' | 'post' | 'put' | 'patch' | 'delete' | string;
    responseAt?: Date;
    cache?: CacheOptions;
    fullPath: string;
    external?: Ext;
    reloading?: true;
}
declare class CacheService {
    protected cache: Map<string, CacheItem<any, any>>;
    /**
     * triggered when cache name value is changed or removed, not triggered when all cache was cleared
     */
    changed: Subject<{
        name: string;
        item?: CacheItem<any>;
    }>;
    /**
     * triggered when one name of cache was cleared (emit string as name of removed one) or all was cleared (emit undefined)
     */
    cleared: Subject<string | undefined>;
    set(name: string, item: CacheItem<any>): void;
    get(name: string): CacheItem<any> | undefined;
    has(name: string): boolean;
    /**
     * when no name clear all, single one when name is known
     */
    clear(name?: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CacheService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CacheService>;
}

interface HttpClientOptions {
    body?: any;
    headers?: HttpHeaders | {
        [header: string]: string | string[];
    };
    context?: HttpContext;
    observe?: 'body';
    params?: HttpParams | {
        [param: string]: string | number | boolean | ReadonlyArray<string | number | boolean>;
    };
    responseType?: 'json';
    reportProgress?: boolean;
    withCredentials?: boolean;
    cache?: CacheOptions;
}
declare class HttpCacheService {
    http: HttpClient;
    constructor(http: HttpClient);
    request<R>(method: string, url: string, options?: {
        body?: any;
        headers?: HttpHeaders | {
            [header: string]: string | string[];
        };
        context?: HttpContext;
        observe?: 'body';
        params?: HttpParams | {
            [param: string]: string | number | boolean | ReadonlyArray<string | number | boolean>;
        };
        responseType?: 'json';
        reportProgress?: boolean;
        withCredentials?: boolean;
        cache?: CacheOptions;
    }): Observable<R>;
    get<R>(url: string, options?: HttpClientOptions): Observable<R>;
    patch<R>(url: string, body: any, options?: HttpClientOptions): Observable<R>;
    post<R>(url: string, body: any, options?: HttpClientOptions): Observable<R>;
    put<R>(url: string, body: any, options?: HttpClientOptions): Observable<R>;
    delete<R>(url: string, options?: HttpClientOptions): Observable<R>;
    retrigger(cacheItem: CacheItem<any> | undefined): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<HttpCacheService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HttpCacheService>;
}

declare class CacheInterceptorService {
    private readonly cache;
    private readonly http;
    constructor(cache: CacheService, http: HttpCacheService);
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<CacheInterceptorService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CacheInterceptorService>;
}

export { CacheInterceptorService, CacheModel, CacheService, HttpCacheService };
export type { CacheItem, CacheOptions, HttpClientOptions };