import { ElementRef, OnInit } from '@angular/core';
import { RecaptchaService } from './recaptcha.service';
import { ControlValueAccessor } from '@angular/forms';
export declare const RECAPTCHA_KEY = "mtg-recaptcha-key";
export declare class RecaptchaComponent implements OnInit, ControlValueAccessor {
    private recaptchaService;
    private elementRef;
    private recaptchaKey;
    private platformId;
    private value;
    private _onTouchFunc;
    private _onChangeFunc;
    private isBrowser;
    constructor(recaptchaService: RecaptchaService, elementRef: ElementRef, recaptchaKey: string, platformId: string);
    ngOnInit(): void;
    callback(value: any): void;
    writeValue(obj: any): void;
    registerOnTouched(fn: any): void;
    registerOnChange(fn: any): void;
}