import { LitElement } from 'lit';
export declare class GrassTitle extends LitElement {
    text: string;
    color: string;
    lightIntensity: number;
    rotation: [number, number, number];
    cameraDistance: number;
    fontUrl?: string;
    grassDensity: number;
    grassHeight: number;
    link?: string;
    private scene;
    private camera;
    private renderer;
    private grassField;
    private light;
    private canvas;
    private animationId;
    private fontLoader;
    private font;
    private resizeObserver;
    private isAnimating;
    static styles: import('lit').CSSResult;
    render(): import('lit-html').TemplateResult<1>;
    firstUpdated(): void;
    disconnectedCallback(): void;
    private initThreeJS;
    private loadFont;
    private createGrassField;
    private animateScene;
    private setupResizeObserver;
    private handleResize;
    private cleanup;
    updated(changedProperties: Map<string, any>): void;
    private handleClick;
    private startParticleSpreadAnimation;
    private startParticleReturnAnimation;
}