import { HttpClient } from '@angular/common/http';
import { ToastrService } from 'ngx-toastr';
import { Observable } from 'rxjs';
import { DataService } from './data.service';
import * as i0 from "@angular/core";
declare global {
    interface Window {
        onRecaptchaLoadCallback: () => void;
    }
    var grecaptcha: {
        ready: (callback: () => void) => void;
        render: (container: string | HTMLElement, parameters: {
            sitekey: string;
            callback?: (token: string) => void;
            'expired-callback'?: () => void;
            'error-callback'?: () => void;
            size?: 'normal' | 'compact' | 'invisible';
            theme?: 'light' | 'dark';
        }) => number;
        execute: (widgetId?: number) => void;
        getResponse: (widgetId?: number) => string;
        reset: (widgetId?: number) => void;
    };
}
export declare class RecaptchaService {
    private toastr;
    private http;
    private dataService;
    private siteKey;
    private apiUrl;
    private widgetId;
    private initialized;
    private resolved;
    constructor(toastr: ToastrService, http: HttpClient, dataService: DataService);
    ngOnInit(): void;
    fetchSiteKeyFromApi(): Observable<string>;
    initialize(): Promise<void>;
    render(containerId: string, callback: (token: string) => void): void;
    reset(): void;
    getResponse(): string;
    isRendered(): boolean;
    isResolved(): boolean;
    removeRecaptchaScript(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RecaptchaService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<RecaptchaService>;
}