import { AfterViewInit, ElementRef, Renderer2 } from '@angular/core';
import * as i0 from "@angular/core";
type BgPair = {
    image: string;
    color: string;
};
export declare class SwapOnReloadDirective implements AfterViewInit {
    private el;
    private renderer;
    private platformId;
    private doc;
    private pairsInput;
    set swapOnReload(value: BgPair[] | '' | true | null | undefined);
    bgStorageKey?: string;
    constructor(el: ElementRef<HTMLElement>, renderer: Renderer2, platformId: Object, doc: Document);
    ngAfterViewInit(): void;
    private resolvePairs;
    private resolveStorageKey;
    static ɵfac: i0.ɵɵFactoryDeclaration<SwapOnReloadDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SwapOnReloadDirective, "[swapOnReload]", never, { "swapOnReload": { "alias": "swapOnReload"; "required": false; }; "bgStorageKey": { "alias": "bgStorageKey"; "required": false; }; }, {}, never, never, true, never>;
}
export {};