import { ChangeDetectorRef, EventEmitter } from '@angular/core';
import { FormBuilder } from '@angular/forms';
import { SubscribeService } from './subscribe.service';
export declare class NewsletterSubscribeFormComponent {
    private formBuilder;
    private subscribeService;
    private changeDetectionReference;
    newsletter: string;
    subscribe: EventEmitter<string>;
    subscriberForm: import("@angular/forms").FormGroup;
    submitted: boolean;
    submitButtonText: string;
    constructor(formBuilder: FormBuilder, subscribeService: SubscribeService, changeDetectionReference: ChangeDetectorRef);
    readonly email: import("@angular/forms").AbstractControl;
    onSubmit(): void;
}