/**
 * TyResizeObserver Web Component - self-observing element that tracks its own
 * dimensions in a global registry keyed by element ID. Optional debounce.
 */
export declare class TyResizeObserver extends HTMLElement {
    private _resizeObserver;
    private _debounceTimer;
    static get observedAttributes(): string[];
    /**
     * Debounce in milliseconds (default: 0 = no debounce)
     */
    get debounce(): number;
    set debounce(value: number);
    constructor();
    connectedCallback(): void;
    attributeChangedCallback(name: string, oldValue: string | null, newValue: string | null): void;
    disconnectedCallback(): void;
    private setupObserver;
    private handleResize;
    private cleanup;
}