import { NgClass } from '@angular/common';
import { ElementRef, NgZone, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DokuShimmer implements OnChanges, OnDestroy {
    private elementRef;
    private ngZone;
    /**
     * Width of the shimmer.
     * @default '100%'
     */
    width: string;
    /**
     * Height of the shimmer.
     *
     * If `shape` is not rectangle and `width` is not in pixels,
     * the height will be calculated based on the element width.
     *
     * @default '14px'
     */
    height: string;
    /**
     * Border radius of the shimmer.
     *
     * If `shape` is circle, the value will be ignored.
     *
     * @default '4px'
     */
    borderRadius: string;
    /**
     * The shape of the shimmer.
     *
     * Some shapes will affect the height or border radius.
     *
     * @default 'rectangle'
     */
    shape: 'rectangle' | 'square' | 'circle';
    /**
     * Color variant of the shimmer.
     * @default 'light'
     */
    variant: 'light' | 'dark';
    protected get classes(): NgClass['ngClass'];
    private resizeListener?;
    constructor(elementRef: ElementRef, ngZone: NgZone);
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    protected get normalizedHeight(): string;
    protected get normalizedBorderRadius(): string;
    /**
     * Calculate height value when width is not using pixels.
     */
    private calculateHeightByWidth;
    private listenResize;
    static ɵfac: i0.ɵɵFactoryDeclaration<DokuShimmer, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DokuShimmer, "doku-shimmer", ["dokuShimmer"], { "width": "width"; "height": "height"; "borderRadius": "borderRadius"; "shape": "shape"; "variant": "variant"; }, {}, never, never, true>;
}