import { ElementRef, OnChanges, OnDestroy, OnInit, Renderer2, SimpleChanges } from '@angular/core';
import { Subscription } from 'rxjs';
export declare class SafeSrcDirective implements OnInit, OnChanges, OnDestroy {
    private el;
    private renderer;
    src: string;
    bixiSafeSrc: string;
    bixiErrorClass: string;
    bixiSuccessClass: string;
    bixiErrorSrc: string;
    subscription: Subscription;
    constructor(el: ElementRef, renderer: Renderer2);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    setSrc(src: string): void;
    watchError(): void;
    ngOnDestroy(): void;
}