import { ReactiveController, ReactiveElement } from 'lit';
export interface KeyGridConfig {
    host?: HTMLElement;
    manageFocus?: boolean;
    manageTabindex?: boolean;
    loop?: boolean;
    lazy?: boolean;
    grid: HTMLElement[][];
}
/**
 * https://w3c.github.io/aria-practices/#gridNav_focus
 */
export declare function keynav<T extends ReactiveElement>(fn?: (host: T) => KeyGridConfig): (target: typeof ReactiveElement, _context?: ClassDecoratorContext) => void;
export declare class KeynavController<T extends ReactiveElement> implements ReactiveController {
    #private;
    private host;
    private fn;
    constructor(host: T, fn: (host: T) => KeyGridConfig);
    hostConnected(): Promise<void>;
    hostDisconnected(): void;
}