import { LitElement, PropertyValues } from 'lit';
import { Board } from "jsxgraph";
export declare class KmapJsxGraph extends LitElement {
    private static _defaultAttributes;
    shadowRoot: ShadowRoot;
    board: Board;
    private slotStyles?;
    protected firstUpdated(_changedProperties: PropertyValues): void;
    render(): import("lit-html").TemplateResult<1>;
    private textFromSlot;
    static styles: import("lit").CSSResult[];
    init(): void;
    bark(): void;
    showAnswer(): void;
    isValid(): boolean;
}