import { OnInit, EventEmitter } from '@angular/core';
import { UsernameFieldOutput, PhoneFieldOutput } from '../types';
import { AmplifyService } from '../../../providers/amplify.service';
export declare class UsernameFieldComponentCore implements OnInit {
    amplifyService: AmplifyService;
    _usernameAttributes: string;
    _placeholder: string;
    username: string;
    constructor(amplifyService: AmplifyService);
    set data(data: any);
    set usernameAttributes(usernameAttributes: string);
    set placeholder(placeholder: string);
    usernameFieldChanged: EventEmitter<UsernameFieldOutput>;
    ngOnInit(): void;
    ngOnDestroy(): void;
    setUsername(username: string): void;
    setEmail(email: string): void;
    getUsernameLabel(): any;
    getPlaceholder(): any;
    onPhoneFieldChanged(event: PhoneFieldOutput): void;
}