import { OnInit, OnChanges, ElementRef, SimpleChanges } from '@angular/core';
import { AvatarProvider } from './avatar.provider';
export declare class AvatarDirective implements OnInit, OnChanges {
    private el;
    private provider;
    avatar: string;
    username: string;
    color: string;
    background: string;
    constructor(el: ElementRef, provider: AvatarProvider);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    onError(): void;
    private getAvatar;
    private getAvatarOnError;
}