import { HttpRequest } from "@angular/common/http";
import { Observable, Subject } from "rxjs";
import * as i0 from "@angular/core";
export interface LoaderInterceptorFilterParams {
    pathNameStartsWith?: string;
    pathNameEndsWith?: string;
    pathNameRegex?: string | RegExp;
}
export declare class LoaderInterceptorService {
    /**
     * Requests
     *
     * Collection of all the active requests
     */
    requests: HttpRequest<any>[];
    /**
     * Loading state
     *
     * It shows if there are any active request, fired when `requests.length` is changed
     */
    loading: Subject<boolean>;
    /**
     * Loading with filters
     *
     * @param filterParams `LoaderInterceptorFilterParams`
     * @returns `Observable<boolean>`
     */
    loadingFilter(filterParams: LoaderInterceptorFilterParams): Observable<boolean>;
    /**
     * Push
     *
     * Push a `HttpRequest<any>` to `requests`, fire `loading` state
     *
     * @param httpRequest `HttpRequest<any>`
     */
    push(httpRequest: HttpRequest<any>): void;
    /**
     * Remove
     *
     * Removes a `HttpRequest<any>` from `requests` if found, fire `loading` state
     *
     * @param httpRequest `HttpRequest<any>`
     */
    remove(httpRequest: HttpRequest<any>): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoaderInterceptorService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoaderInterceptorService>;
}