import { VolvoxGrid } from "./volvoxgrid.js";
/**
 * <volvox-grid> custom element.
 *
 * Attributes:
 *   row-count         - total row count (default 10)
 *   col-count         - total column count (default 5)
 *   frozen-row-count  - number of frozen data rows (default 0)
 *   frozen-col-count  - number of frozen data columns (default 0)
 *   show-column-headers - whether the top column indicator is visible (default true)
 *   show-row-indicator - whether the start row indicator is visible (default false)
 *   wasm-url           - URL of the WASM module (default "./wasm/volvoxgrid_wasm.js")
 *
 * The element creates a full-size <canvas> in its shadow DOM and initialises
 * a VolvoxGrid instance once the WASM module has loaded.
 */
declare class VolvoxGridElement extends HTMLElement {
    private volvoxgrid?;
    private canvas?;
    private shadow;
    static get observedAttributes(): string[];
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    attributeChangedCallback(name: string, _old: string | null, value: string | null): void;
    /** The underlying VolvoxGrid instance (available after WASM loads). */
    get grid(): VolvoxGrid | undefined;
    private initWasm;
}
export { VolvoxGridElement };
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