import * as _angular_core from '@angular/core';
import { AfterViewInit, ElementRef } from '@angular/core';
import * as i2 from '@angular/common';

declare class LightningBackgroundComponent implements AfterViewInit {
    containerRef: ElementRef<HTMLDivElement>;
    /** 闪电的色调（度数，0到360） */
    ncHue: _angular_core.InputSignal<number>;
    /** 闪电水平偏移量（-2~2） */
    ncXOffset: _angular_core.InputSignal<number>;
    /** 闪电动画速度倍率（0.5-2） */
    ncSpeed: _angular_core.InputSignal<number>;
    /** 闪电强度（0.1-2） */
    ncIntensity: _angular_core.InputSignal<number>;
    /** 闪电密集程度（0.1-3） */
    ncSize: _angular_core.InputSignal<number>;
    private readonly document;
    private readonly destroyRef;
    private readonly ngZone;
    private readonly isBrowser;
    private canvas;
    private gl;
    private program;
    private vertexBuffer;
    private vertexShader;
    private fragmentShader;
    private rafId;
    private resizeObserver;
    private startTime;
    private locResolution;
    private locTime;
    private locHue;
    private locXOffset;
    private locSpeed;
    private locIntensity;
    private locSize;
    private vertexShaderSource;
    private fragmentShaderSource;
    constructor();
    ngAfterViewInit(): void;
    private initWebGL;
    private compileShader;
    private resizeCanvas;
    private render;
    private cleanup;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<LightningBackgroundComponent, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<LightningBackgroundComponent, "nc-lightning-background", never, { "ncHue": { "alias": "ncHue"; "required": false; "isSignal": true; }; "ncXOffset": { "alias": "ncXOffset"; "required": false; "isSignal": true; }; "ncSpeed": { "alias": "ncSpeed"; "required": false; "isSignal": true; }; "ncIntensity": { "alias": "ncIntensity"; "required": false; "isSignal": true; }; "ncSize": { "alias": "ncSize"; "required": false; "isSignal": true; }; }, {}, never, ["*"], true, never>;
}

declare class NcLightningBackgroundModule {
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<NcLightningBackgroundModule, never>;
    static ɵmod: _angular_core.ɵɵNgModuleDeclaration<NcLightningBackgroundModule, never, [typeof LightningBackgroundComponent, typeof i2.CommonModule], [typeof LightningBackgroundComponent]>;
    static ɵinj: _angular_core.ɵɵInjectorDeclaration<NcLightningBackgroundModule>;
}

export { LightningBackgroundComponent, NcLightningBackgroundModule };