import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare type RequestMethod = 'delete' | 'get' | 'post' | 'put';
export interface RequestOptions {
    headers?: HttpHeaders | {
        [header: string]: string | string[];
    };
    observe?: string;
    params?: HttpParams | {
        [param: string]: string | string[];
    };
    reportProgress?: boolean;
    responseType?: string;
    withCredentials?: boolean;
}
export interface RestParameters {
    limit?: number;
    select?: string;
    skip?: number;
    sort?: string;
    where?: any;
}
export declare class ApiService {
    private http;
    constructor(http: HttpClient);
    /**
     * Sends a request to the API, returning the data as a basic object.
     * @param method The HTTP method to use. Ex: 'get', 'post', 'put', 'delete'.
     * @param path The relative path from the object's base endpoint. Ex: '/count', '/recent'.
     * @param params The parameters to pass to the endpoint. Ex: { where: { name: 'John Doe' }, limit: 10, sort: 'name' }.
     */
    request(method: RequestMethod, url: string, params?: any, options?: RequestOptions): Observable<any> | Promise<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ApiService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ApiService>;
}