import { ElementRef, Renderer2, EventEmitter, OnInit, OnDestroy, OnChanges, SimpleChanges, NgZone } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ElectricBorderDirective implements OnInit, OnDestroy, OnChanges {
    private el;
    private renderer;
    private ngZone;
    /** 边框圆角半径 单位px */
    ncBorderRadius: number;
    /** 边框线宽 单位px */
    ncBorderWidth: number;
    /** 电弧宽度 单位px */
    ncElectricWidth: number;
    /** 颜色 */
    ncColor: string;
    /** 动画速度倍率 */
    ncSpeed: number;
    /** 扰动强度（振幅） */
    ncChaos: number;
    /** 停止动画时间，ms，0表示不停止 */
    ncStopTime: number;
    /** 是否启用动画 */
    private _enabled;
    set ncEnabled(val: boolean | string);
    get ncEnabled(): boolean;
    /** 双向绑定输出事件 */
    ncEnabledChange: EventEmitter<boolean>;
    private canvasEl;
    private canvasContainerEl;
    private glow1El;
    private glow2El;
    private bgGlowEl;
    private layersEl;
    private styleEl;
    private animationId;
    private resizeObserver;
    private time;
    private lastFrameTime;
    private isInitialized;
    private stopTimer;
    constructor(el: ElementRef, renderer: Renderer2, ngZone: NgZone);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private setupHost;
    private applyBorderRadius;
    private applyBorderWidth;
    private applyColorVar;
    private createDom;
    private injectStyles;
    private startAnimation;
    private stopAnimation;
    private updateCanvasSize;
    private drawFrame;
    private random;
    private noise2D;
    private octavedNoise;
    private getCornerPoint;
    private getRoundedRectPoint;
    private setStyles;
    static ɵfac: i0.ɵɵFactoryDeclaration<ElectricBorderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ElectricBorderDirective, "[ncElectricBorder]", never, { "ncBorderRadius": "ncBorderRadius"; "ncBorderWidth": "ncBorderWidth"; "ncElectricWidth": "ncElectricWidth"; "ncColor": "ncColor"; "ncSpeed": "ncSpeed"; "ncChaos": "ncChaos"; "ncStopTime": "ncStopTime"; "ncEnabled": "ncEnabled"; }, { "ncEnabledChange": "ncEnabledChange"; }, never>;
}